Home / 284,046.93-391,984.47-156,722.51

Finding the Fourth Proportional to 284,046.93, 391,984.47 and 156,722.51

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Solution

The fourth proportional to 284,046.93, 391,984.47 and 156,722.51 is: 216,276.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,046.93 : 391,984.47 = 156,722.51 : x
  2. Step 2: Convert to fraction form
    284,046.93/391,984.47 = 156,722.51/x
  3. Step 3: Cross multiply
    284,046.93x = 391,984.47 × 156,722.51
  4. Step 4: Simplify right side
    284,046.93x = 61,432,790,999.38
  5. Step 5: Solve for x
    x = 61,432,790,999.38/284,046.93
  6. Step 6: Final answer
    x = 216,276.91

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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.