Home / 186,678.36-257,615.10-101,793.60

Finding the Fourth Proportional to 186,678.36, 257,615.10 and 101,793.60

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Solution

The fourth proportional to 186,678.36, 257,615.10 and 101,793.60 is: 140,474.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,678.36 : 257,615.10 = 101,793.60 : x
  2. Step 2: Convert to fraction form
    186,678.36/257,615.10 = 101,793.60/x
  3. Step 3: Cross multiply
    186,678.36x = 257,615.10 × 101,793.60
  4. Step 4: Simplify right side
    186,678.36x = 26,223,568,443.36
  5. Step 5: Solve for x
    x = 26,223,568,443.36/186,678.36
  6. Step 6: Final answer
    x = 140,474.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.