Home / 124,276.64-171,447.18-83,975.68

Finding the Fourth Proportional to 124,276.64, 171,447.18 and 83,975.68

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Solution

The fourth proportional to 124,276.64, 171,447.18 and 83,975.68 is: 115,849.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,276.64 : 171,447.18 = 83,975.68 : x
  2. Step 2: Convert to fraction form
    124,276.64/171,447.18 = 83,975.68/x
  3. Step 3: Cross multiply
    124,276.64x = 171,447.18 × 83,975.68
  4. Step 4: Simplify right side
    124,276.64x = 14,397,393,524.58
  5. Step 5: Solve for x
    x = 14,397,393,524.58/124,276.64
  6. Step 6: Final answer
    x = 115,849.56

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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.