Home / 151,289.40-208,777.58-83,304.92

Finding the Fourth Proportional to 151,289.40, 208,777.58 and 83,304.92

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Solution

The fourth proportional to 151,289.40, 208,777.58 and 83,304.92 is: 114,959.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,289.40 : 208,777.58 = 83,304.92 : x
  2. Step 2: Convert to fraction form
    151,289.40/208,777.58 = 83,304.92/x
  3. Step 3: Cross multiply
    151,289.40x = 208,777.58 × 83,304.92
  4. Step 4: Simplify right side
    151,289.40x = 17,392,199,599.69
  5. Step 5: Solve for x
    x = 17,392,199,599.69/151,289.40
  6. Step 6: Final answer
    x = 114,959.80

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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.