Home / 147,767.40-221,507.10-84,522.60

Finding the Fourth Proportional to 147,767.40, 221,507.10 and 84,522.60

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Solution

The fourth proportional to 147,767.40, 221,507.10 and 84,522.60 is: 126,701.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,767.40 : 221,507.10 = 84,522.60 : x
  2. Step 2: Convert to fraction form
    147,767.40/221,507.10 = 84,522.60/x
  3. Step 3: Cross multiply
    147,767.40x = 221,507.10 × 84,522.60
  4. Step 4: Simplify right side
    147,767.40x = 18,722,356,010.46
  5. Step 5: Solve for x
    x = 18,722,356,010.46/147,767.40
  6. Step 6: Final answer
    x = 126,701.53

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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.