Home / 123,965.40-185,948.10-89,232.60

Finding the Fourth Proportional to 123,965.40, 185,948.10 and 89,232.60

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Solution

The fourth proportional to 123,965.40, 185,948.10 and 89,232.60 is: 133,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,965.40 : 185,948.10 = 89,232.60 : x
  2. Step 2: Convert to fraction form
    123,965.40/185,948.10 = 89,232.60/x
  3. Step 3: Cross multiply
    123,965.40x = 185,948.10 × 89,232.60
  4. Step 4: Simplify right side
    123,965.40x = 16,592,632,428.06
  5. Step 5: Solve for x
    x = 16,592,632,428.06/123,965.40
  6. Step 6: Final answer
    x = 133,848.90

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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.