Home / 284,055.06-391,995.70-156,730.66

Finding the Fourth Proportional to 284,055.06, 391,995.70 and 156,730.66

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Solution

The fourth proportional to 284,055.06, 391,995.70 and 156,730.66 is: 216,288.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,055.06 : 391,995.70 = 156,730.66 : x
  2. Step 2: Convert to fraction form
    284,055.06/391,995.70 = 156,730.66/x
  3. Step 3: Cross multiply
    284,055.06x = 391,995.70 × 156,730.66
  4. Step 4: Simplify right side
    284,055.06x = 61,437,744,778.16
  5. Step 5: Solve for x
    x = 61,437,744,778.16/284,055.06
  6. Step 6: Final answer
    x = 216,288.15

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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.