Home / 284,382.32-392,449.93-157,060.04

Finding the Fourth Proportional to 284,382.32, 392,449.93 and 157,060.04

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Solution

The fourth proportional to 284,382.32, 392,449.93 and 157,060.04 is: 216,744.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,382.32 : 392,449.93 = 157,060.04 : x
  2. Step 2: Convert to fraction form
    284,382.32/392,449.93 = 157,060.04/x
  3. Step 3: Cross multiply
    284,382.32x = 392,449.93 × 157,060.04
  4. Step 4: Simplify right side
    284,382.32x = 61,638,199,348.90
  5. Step 5: Solve for x
    x = 61,638,199,348.90/284,382.32
  6. Step 6: Final answer
    x = 216,744.14

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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.