Home / 284,235.13-392,244.42-156,910.69

Finding the Fourth Proportional to 284,235.13, 392,244.42 and 156,910.69

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Solution

The fourth proportional to 284,235.13, 392,244.42 and 156,910.69 is: 216,536.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,235.13 : 392,244.42 = 156,910.69 : x
  2. Step 2: Convert to fraction form
    284,235.13/392,244.42 = 156,910.69/x
  3. Step 3: Cross multiply
    284,235.13x = 392,244.42 × 156,910.69
  4. Step 4: Simplify right side
    284,235.13x = 61,547,342,590.85
  5. Step 5: Solve for x
    x = 61,547,342,590.85/284,235.13
  6. Step 6: Final answer
    x = 216,536.72

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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.