Home / 171,504,100.40-257,256,150.60-98,944,689.20

Finding the Fourth Proportional to 171,504,100.40, 257,256,150.60 and 98,944,689.20

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Solution

The fourth proportional to 171,504,100.40, 257,256,150.60 and 98,944,689.20 is: 148,417,033.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,504,100.40 : 257,256,150.60 = 98,944,689.20 : x
  2. Step 2: Convert to fraction form
    171,504,100.40/257,256,150.60 = 98,944,689.20/x
  3. Step 3: Cross multiply
    171,504,100.40x = 257,256,150.60 × 98,944,689.20
  4. Step 4: Simplify right side
    171,504,100.40x = 25,454,129,865,905,392
  5. Step 5: Solve for x
    x = 25,454,129,865,905,392/171,504,100.40
  6. Step 6: Final answer
    x = 148,417,033.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.