Home / 209,264.76-288,781.98-113,773.92

Finding the Fourth Proportional to 209,264.76, 288,781.98 and 113,773.92

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Solution

The fourth proportional to 209,264.76, 288,781.98 and 113,773.92 is: 157,006.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,264.76 : 288,781.98 = 113,773.92 : x
  2. Step 2: Convert to fraction form
    209,264.76/288,781.98 = 113,773.92/x
  3. Step 3: Cross multiply
    209,264.76x = 288,781.98 × 113,773.92
  4. Step 4: Simplify right side
    209,264.76x = 32,855,857,889.96
  5. Step 5: Solve for x
    x = 32,855,857,889.96/209,264.76
  6. Step 6: Final answer
    x = 157,006.17

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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.