Home / 147,404.46-220,666.04-90,298.47

Finding the Fourth Proportional to 147,404.46, 220,666.04 and 90,298.47

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Solution

The fourth proportional to 147,404.46, 220,666.04 and 90,298.47 is: 135,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,404.46 : 220,666.04 = 90,298.47 : x
  2. Step 2: Convert to fraction form
    147,404.46/220,666.04 = 90,298.47/x
  3. Step 3: Cross multiply
    147,404.46x = 220,666.04 × 90,298.47
  4. Step 4: Simplify right side
    147,404.46x = 19,925,805,792.96
  5. Step 5: Solve for x
    x = 19,925,805,792.96/147,404.46
  6. Step 6: Final answer
    x = 135,177.77

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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.