Home / 148,546.32-223,017.20-86,261.52

Finding the Fourth Proportional to 148,546.32, 223,017.20 and 86,261.52

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Solution

The fourth proportional to 148,546.32, 223,017.20 and 86,261.52 is: 129,507.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,546.32 : 223,017.20 = 86,261.52 : x
  2. Step 2: Convert to fraction form
    148,546.32/223,017.20 = 86,261.52/x
  3. Step 3: Cross multiply
    148,546.32x = 223,017.20 × 86,261.52
  4. Step 4: Simplify right side
    148,546.32x = 19,237,802,658.14
  5. Step 5: Solve for x
    x = 19,237,802,658.14/148,546.32
  6. Step 6: Final answer
    x = 129,507.10

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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.