Home / 106,127.64-146,455.09-58,381.04

Finding the Fourth Proportional to 106,127.64, 146,455.09 and 58,381.04

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Solution

The fourth proportional to 106,127.64, 146,455.09 and 58,381.04 is: 80,565.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,127.64 : 146,455.09 = 58,381.04 : x
  2. Step 2: Convert to fraction form
    106,127.64/146,455.09 = 58,381.04/x
  3. Step 3: Cross multiply
    106,127.64x = 146,455.09 × 58,381.04
  4. Step 4: Simplify right side
    106,127.64x = 8,550,200,687.68
  5. Step 5: Solve for x
    x = 8,550,200,687.68/106,127.64
  6. Step 6: Final answer
    x = 80,565.26

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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.