Home / 124,276.38-171,446.82-83,975.45

Finding the Fourth Proportional to 124,276.38, 171,446.82 and 83,975.45

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Solution

The fourth proportional to 124,276.38, 171,446.82 and 83,975.45 is: 115,849.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,276.38 : 171,446.82 = 83,975.45 : x
  2. Step 2: Convert to fraction form
    124,276.38/171,446.82 = 83,975.45/x
  3. Step 3: Cross multiply
    124,276.38x = 171,446.82 × 83,975.45
  4. Step 4: Simplify right side
    124,276.38x = 14,397,323,003.33
  5. Step 5: Solve for x
    x = 14,397,323,003.33/124,276.38
  6. Step 6: Final answer
    x = 115,849.23

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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.