Home / 124,840.14-172,279.38-68,251.50

Finding the Fourth Proportional to 124,840.14, 172,279.38 and 68,251.50

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Solution

The fourth proportional to 124,840.14, 172,279.38 and 68,251.50 is: 94,187.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,840.14 : 172,279.38 = 68,251.50 : x
  2. Step 2: Convert to fraction form
    124,840.14/172,279.38 = 68,251.50/x
  3. Step 3: Cross multiply
    124,840.14x = 172,279.38 × 68,251.50
  4. Step 4: Simplify right side
    124,840.14x = 11,758,326,104.07
  5. Step 5: Solve for x
    x = 11,758,326,104.07/124,840.14
  6. Step 6: Final answer
    x = 94,187.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.