Home / 148,061.20-222,264.60-84,931.60

Finding the Fourth Proportional to 148,061.20, 222,264.60 and 84,931.60

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Solution

The fourth proportional to 148,061.20, 222,264.60 and 84,931.60 is: 127,496.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,061.20 : 222,264.60 = 84,931.60 : x
  2. Step 2: Convert to fraction form
    148,061.20/222,264.60 = 84,931.60/x
  3. Step 3: Cross multiply
    148,061.20x = 222,264.60 × 84,931.60
  4. Step 4: Simplify right side
    148,061.20x = 18,877,288,101.36
  5. Step 5: Solve for x
    x = 18,877,288,101.36/148,061.20
  6. Step 6: Final answer
    x = 127,496.52

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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.