Home / 148,747.19-205,250.45-87,496.16

Finding the Fourth Proportional to 148,747.19, 205,250.45 and 87,496.16

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Solution

The fourth proportional to 148,747.19, 205,250.45 and 87,496.16 is: 120,732.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,747.19 : 205,250.45 = 87,496.16 : x
  2. Step 2: Convert to fraction form
    148,747.19/205,250.45 = 87,496.16/x
  3. Step 3: Cross multiply
    148,747.19x = 205,250.45 × 87,496.16
  4. Step 4: Simplify right side
    148,747.19x = 17,958,625,405.76
  5. Step 5: Solve for x
    x = 17,958,625,405.76/148,747.19
  6. Step 6: Final answer
    x = 120,732.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.