Home / 124,922.60-187,470.30-89,887.40

Finding the Fourth Proportional to 124,922.60, 187,470.30 and 89,887.40

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Solution

The fourth proportional to 124,922.60, 187,470.30 and 89,887.40 is: 134,893.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,922.60 : 187,470.30 = 89,887.40 : x
  2. Step 2: Convert to fraction form
    124,922.60/187,470.30 = 89,887.40/x
  3. Step 3: Cross multiply
    124,922.60x = 187,470.30 × 89,887.40
  4. Step 4: Simplify right side
    124,922.60x = 16,851,217,844.22
  5. Step 5: Solve for x
    x = 16,851,217,844.22/124,922.60
  6. Step 6: Final answer
    x = 134,893.27

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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.