Home / 148,528.28-222,681.71-89,350.11

Finding the Fourth Proportional to 148,528.28, 222,681.71 and 89,350.11

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Solution

The fourth proportional to 148,528.28, 222,681.71 and 89,350.11 is: 133,958.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,528.28 : 222,681.71 = 89,350.11 : x
  2. Step 2: Convert to fraction form
    148,528.28/222,681.71 = 89,350.11/x
  3. Step 3: Cross multiply
    148,528.28x = 222,681.71 × 89,350.11
  4. Step 4: Simplify right side
    148,528.28x = 19,896,635,630.56
  5. Step 5: Solve for x
    x = 19,896,635,630.56/148,528.28
  6. Step 6: Final answer
    x = 133,958.57

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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.