Home / 124,097.22-171,313.65-76,391.46

Finding the Fourth Proportional to 124,097.22, 171,313.65 and 76,391.46

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Solution

The fourth proportional to 124,097.22, 171,313.65 and 76,391.46 is: 105,456.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,097.22 : 171,313.65 = 76,391.46 : x
  2. Step 2: Convert to fraction form
    124,097.22/171,313.65 = 76,391.46/x
  3. Step 3: Cross multiply
    124,097.22x = 171,313.65 × 76,391.46
  4. Step 4: Simplify right side
    124,097.22x = 13,086,899,841.43
  5. Step 5: Solve for x
    x = 13,086,899,841.43/124,097.22
  6. Step 6: Final answer
    x = 105,456.83

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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.