Home / 125,342.87-172,908.77-82,316.14

Finding the Fourth Proportional to 125,342.87, 172,908.77 and 82,316.14

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Solution

The fourth proportional to 125,342.87, 172,908.77 and 82,316.14 is: 113,553.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,342.87 : 172,908.77 = 82,316.14 : x
  2. Step 2: Convert to fraction form
    125,342.87/172,908.77 = 82,316.14/x
  3. Step 3: Cross multiply
    125,342.87x = 172,908.77 × 82,316.14
  4. Step 4: Simplify right side
    125,342.87x = 14,233,181,674.70
  5. Step 5: Solve for x
    x = 14,233,181,674.70/125,342.87
  6. Step 6: Final answer
    x = 113,553.98

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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.