Home / 124,768.52-187,199.28-74,884.40

Finding the Fourth Proportional to 124,768.52, 187,199.28 and 74,884.40

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Solution

The fourth proportional to 124,768.52, 187,199.28 and 74,884.40 is: 112,354.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,768.52 : 187,199.28 = 74,884.40 : x
  2. Step 2: Convert to fraction form
    124,768.52/187,199.28 = 74,884.40/x
  3. Step 3: Cross multiply
    124,768.52x = 187,199.28 × 74,884.40
  4. Step 4: Simplify right side
    124,768.52x = 14,018,305,763.23
  5. Step 5: Solve for x
    x = 14,018,305,763.23/124,768.52
  6. Step 6: Final answer
    x = 112,354.51

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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.