Home / 291,227.20-436,945.89-101,715.45

Finding the Fourth Proportional to 291,227.20, 436,945.89 and 101,715.45

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Solution

The fourth proportional to 291,227.20, 436,945.89 and 101,715.45 is: 152,609.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,227.20 : 436,945.89 = 101,715.45 : x
  2. Step 2: Convert to fraction form
    291,227.20/436,945.89 = 101,715.45/x
  3. Step 3: Cross multiply
    291,227.20x = 436,945.89 × 101,715.45
  4. Step 4: Simplify right side
    291,227.20x = 44,444,146,569.89
  5. Step 5: Solve for x
    x = 44,444,146,569.89/291,227.20
  6. Step 6: Final answer
    x = 152,609.88

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1.5x scale

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.