Home / 284,236.13-392,245.80-156,911.69

Finding the Fourth Proportional to 284,236.13, 392,245.80 and 156,911.69

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Solution

The fourth proportional to 284,236.13, 392,245.80 and 156,911.69 is: 216,538.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,236.13 : 392,245.80 = 156,911.69 : x
  2. Step 2: Convert to fraction form
    284,236.13/392,245.80 = 156,911.69/x
  3. Step 3: Cross multiply
    284,236.13x = 392,245.80 × 156,911.69
  4. Step 4: Simplify right side
    284,236.13x = 61,547,951,373.40
  5. Step 5: Solve for x
    x = 61,547,951,373.40/284,236.13
  6. Step 6: Final answer
    x = 216,538.10

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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.