Home / 123,342.40-185,013.60-92,238.40

Finding the Fourth Proportional to 123,342.40, 185,013.60 and 92,238.40

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Solution

The fourth proportional to 123,342.40, 185,013.60 and 92,238.40 is: 138,357.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,342.40 : 185,013.60 = 92,238.40 : x
  2. Step 2: Convert to fraction form
    123,342.40/185,013.60 = 92,238.40/x
  3. Step 3: Cross multiply
    123,342.40x = 185,013.60 × 92,238.40
  4. Step 4: Simplify right side
    123,342.40x = 17,065,358,442.24
  5. Step 5: Solve for x
    x = 17,065,358,442.24/123,342.40
  6. Step 6: Final answer
    x = 138,357.60

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1.5x scale

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.