Home / 292,631.92-403,864.83-165,315.71

Finding the Fourth Proportional to 292,631.92, 403,864.83 and 165,315.71

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Solution

The fourth proportional to 292,631.92, 403,864.83 and 165,315.71 is: 228,154.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,631.92 : 403,864.83 = 165,315.71 : x
  2. Step 2: Convert to fraction form
    292,631.92/403,864.83 = 165,315.71/x
  3. Step 3: Cross multiply
    292,631.92x = 403,864.83 × 165,315.71
  4. Step 4: Simplify right side
    292,631.92x = 66,765,202,125.14
  5. Step 5: Solve for x
    x = 66,765,202,125.14/292,631.92
  6. Step 6: Final answer
    x = 228,154.20

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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.