Home / 151,513.28-209,089.78-83,532.74

Finding the Fourth Proportional to 151,513.28, 209,089.78 and 83,532.74

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Solution

The fourth proportional to 151,513.28, 209,089.78 and 83,532.74 is: 115,275.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,513.28 : 209,089.78 = 83,532.74 : x
  2. Step 2: Convert to fraction form
    151,513.28/209,089.78 = 83,532.74/x
  3. Step 3: Cross multiply
    151,513.28x = 209,089.78 × 83,532.74
  4. Step 4: Simplify right side
    151,513.28x = 17,465,842,229.40
  5. Step 5: Solve for x
    x = 17,465,842,229.40/151,513.28
  6. Step 6: Final answer
    x = 115,275.98

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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.