Home / 124,115.42-171,279.14-67,526.40

Finding the Fourth Proportional to 124,115.42, 171,279.14 and 67,526.40

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Solution

The fourth proportional to 124,115.42, 171,279.14 and 67,526.40 is: 93,186.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,115.42 : 171,279.14 = 67,526.40 : x
  2. Step 2: Convert to fraction form
    124,115.42/171,279.14 = 67,526.40/x
  3. Step 3: Cross multiply
    124,115.42x = 171,279.14 × 67,526.40
  4. Step 4: Simplify right side
    124,115.42x = 11,565,863,719.30
  5. Step 5: Solve for x
    x = 11,565,863,719.30/124,115.42
  6. Step 6: Final answer
    x = 93,186.36

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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.