Home / 284,117.65-392,081.55-156,792.33

Finding the Fourth Proportional to 284,117.65, 392,081.55 and 156,792.33

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Solution

The fourth proportional to 284,117.65, 392,081.55 and 156,792.33 is: 216,372.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,117.65 : 392,081.55 = 156,792.33 : x
  2. Step 2: Convert to fraction form
    284,117.65/392,081.55 = 156,792.33/x
  3. Step 3: Cross multiply
    284,117.65x = 392,081.55 × 156,792.33
  4. Step 4: Simplify right side
    284,117.65x = 61,475,379,382.53
  5. Step 5: Solve for x
    x = 61,475,379,382.53/284,117.65
  6. Step 6: Final answer
    x = 216,372.97

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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.