Home / 148,272.48-204,538.92-90,925.20

Finding the Fourth Proportional to 148,272.48, 204,538.92 and 90,925.20

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Solution

The fourth proportional to 148,272.48, 204,538.92 and 90,925.20 is: 125,429.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,272.48 : 204,538.92 = 90,925.20 : x
  2. Step 2: Convert to fraction form
    148,272.48/204,538.92 = 90,925.20/x
  3. Step 3: Cross multiply
    148,272.48x = 204,538.92 × 90,925.20
  4. Step 4: Simplify right side
    148,272.48x = 18,597,742,208.78
  5. Step 5: Solve for x
    x = 18,597,742,208.78/148,272.48
  6. Step 6: Final answer
    x = 125,429.49

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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.