Home / 284,292.88-392,327.10-156,968.17

Finding the Fourth Proportional to 284,292.88, 392,327.10 and 156,968.17

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Solution

The fourth proportional to 284,292.88, 392,327.10 and 156,968.17 is: 216,617.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,292.88 : 392,327.10 = 156,968.17 : x
  2. Step 2: Convert to fraction form
    284,292.88/392,327.10 = 156,968.17/x
  3. Step 3: Cross multiply
    284,292.88x = 392,327.10 × 156,968.17
  4. Step 4: Simplify right side
    284,292.88x = 61,582,866,928.41
  5. Step 5: Solve for x
    x = 61,582,866,928.41/284,292.88
  6. Step 6: Final answer
    x = 216,617.69

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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.