Home / 284,376.04-392,434.02-157,053.16

Finding the Fourth Proportional to 284,376.04, 392,434.02 and 157,053.16

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Solution

The fourth proportional to 284,376.04, 392,434.02 and 157,053.16 is: 216,730.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,376.04 : 392,434.02 = 157,053.16 : x
  2. Step 2: Convert to fraction form
    284,376.04/392,434.02 = 157,053.16/x
  3. Step 3: Cross multiply
    284,376.04x = 392,434.02 × 157,053.16
  4. Step 4: Simplify right side
    284,376.04x = 61,633,002,932.50
  5. Step 5: Solve for x
    x = 61,633,002,932.50/284,376.04
  6. Step 6: Final answer
    x = 216,730.65

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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.