Home / 125,125.59-187,649.10-40,866.56

Finding the Fourth Proportional to 125,125.59, 187,649.10 and 40,866.56

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Solution

The fourth proportional to 125,125.59, 187,649.10 and 40,866.56 is: 61,287.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,125.59 : 187,649.10 = 40,866.56 : x
  2. Step 2: Convert to fraction form
    125,125.59/187,649.10 = 40,866.56/x
  3. Step 3: Cross multiply
    125,125.59x = 187,649.10 × 40,866.56
  4. Step 4: Simplify right side
    125,125.59x = 7,668,573,204.10
  5. Step 5: Solve for x
    x = 7,668,573,204.10/125,125.59
  6. Step 6: Final answer
    x = 61,287.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.