Home / 124,119.36-171,279.60-67,530.96

Finding the Fourth Proportional to 124,119.36, 171,279.60 and 67,530.96

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Solution

The fourth proportional to 124,119.36, 171,279.60 and 67,530.96 is: 93,189.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,119.36 : 171,279.60 = 67,530.96 : x
  2. Step 2: Convert to fraction form
    124,119.36/171,279.60 = 67,530.96/x
  3. Step 3: Cross multiply
    124,119.36x = 171,279.60 × 67,530.96
  4. Step 4: Simplify right side
    124,119.36x = 11,566,675,816.42
  5. Step 5: Solve for x
    x = 11,566,675,816.42/124,119.36
  6. Step 6: Final answer
    x = 93,189.94

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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.