Home / 284,185.23-392,175.66-156,860.86

Finding the Fourth Proportional to 284,185.23, 392,175.66 and 156,860.86

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Solution

The fourth proportional to 284,185.23, 392,175.66 and 156,860.86 is: 216,468.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,185.23 : 392,175.66 = 156,860.86 : x
  2. Step 2: Convert to fraction form
    284,185.23/392,175.66 = 156,860.86/x
  3. Step 3: Cross multiply
    284,185.23x = 392,175.66 × 156,860.86
  4. Step 4: Simplify right side
    284,185.23x = 61,517,011,298.67
  5. Step 5: Solve for x
    x = 61,517,011,298.67/284,185.23
  6. Step 6: Final answer
    x = 216,468.01

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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.