Home / 269,092.41-402,856.70-156,429.11

Finding the Fourth Proportional to 269,092.41, 402,856.70 and 156,429.11

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Solution

The fourth proportional to 269,092.41, 402,856.70 and 156,429.11 is: 234,189.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,092.41 : 402,856.70 = 156,429.11 : x
  2. Step 2: Convert to fraction form
    269,092.41/402,856.70 = 156,429.11/x
  3. Step 3: Cross multiply
    269,092.41x = 402,856.70 × 156,429.11
  4. Step 4: Simplify right side
    269,092.41x = 63,018,512,242.11
  5. Step 5: Solve for x
    x = 63,018,512,242.11/269,092.41
  6. Step 6: Final answer
    x = 234,189.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.