Home / 284,752.26-392,966.32-157,436.06

Finding the Fourth Proportional to 284,752.26, 392,966.32 and 157,436.06

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Solution

The fourth proportional to 284,752.26, 392,966.32 and 157,436.06 is: 217,266.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,752.26 : 392,966.32 = 157,436.06 : x
  2. Step 2: Convert to fraction form
    284,752.26/392,966.32 = 157,436.06/x
  3. Step 3: Cross multiply
    284,752.26x = 392,966.32 × 157,436.06
  4. Step 4: Simplify right side
    284,752.26x = 61,867,069,133.50
  5. Step 5: Solve for x
    x = 61,867,069,133.50/284,752.26
  6. Step 6: Final answer
    x = 217,266.30

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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.