Home / 123,748.40-185,622.60-92,644.40

Finding the Fourth Proportional to 123,748.40, 185,622.60 and 92,644.40

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Solution

The fourth proportional to 123,748.40, 185,622.60 and 92,644.40 is: 138,966.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,748.40 : 185,622.60 = 92,644.40 : x
  2. Step 2: Convert to fraction form
    123,748.40/185,622.60 = 92,644.40/x
  3. Step 3: Cross multiply
    123,748.40x = 185,622.60 × 92,644.40
  4. Step 4: Simplify right side
    123,748.40x = 17,196,894,403.44
  5. Step 5: Solve for x
    x = 17,196,894,403.44/123,748.40
  6. Step 6: Final answer
    x = 138,966.60

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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.