Home / 148,712.70-222,421.05-133,031.10

Finding the Fourth Proportional to 148,712.70, 222,421.05 and 133,031.10

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Solution

The fourth proportional to 148,712.70, 222,421.05 and 133,031.10 is: 198,966.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,712.70 : 222,421.05 = 133,031.10 : x
  2. Step 2: Convert to fraction form
    148,712.70/222,421.05 = 133,031.10/x
  3. Step 3: Cross multiply
    148,712.70x = 222,421.05 × 133,031.10
  4. Step 4: Simplify right side
    148,712.70x = 29,588,916,944.66
  5. Step 5: Solve for x
    x = 29,588,916,944.66/148,712.70
  6. Step 6: Final answer
    x = 198,966.98

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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.