Home / 125,387.19-188,095.06-45,462.80

Finding the Fourth Proportional to 125,387.19, 188,095.06 and 45,462.80

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Solution

The fourth proportional to 125,387.19, 188,095.06 and 45,462.80 is: 68,199.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,387.19 : 188,095.06 = 45,462.80 : x
  2. Step 2: Convert to fraction form
    125,387.19/188,095.06 = 45,462.80/x
  3. Step 3: Cross multiply
    125,387.19x = 188,095.06 × 45,462.80
  4. Step 4: Simplify right side
    125,387.19x = 8,551,327,926.50
  5. Step 5: Solve for x
    x = 8,551,327,926.50/125,387.19
  6. Step 6: Final answer
    x = 68,199.37

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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.