Home / 147,817.24-221,719.10-54,316.12

Finding the Fourth Proportional to 147,817.24, 221,719.10 and 54,316.12

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Solution

The fourth proportional to 147,817.24, 221,719.10 and 54,316.12 is: 81,471.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,817.24 : 221,719.10 = 54,316.12 : x
  2. Step 2: Convert to fraction form
    147,817.24/221,719.10 = 54,316.12/x
  3. Step 3: Cross multiply
    147,817.24x = 221,719.10 × 54,316.12
  4. Step 4: Simplify right side
    147,817.24x = 12,042,921,241.89
  5. Step 5: Solve for x
    x = 12,042,921,241.89/147,817.24
  6. Step 6: Final answer
    x = 81,471.70

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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.