Home / 124,095.20-186,140.80-30,600.96

Finding the Fourth Proportional to 124,095.20, 186,140.80 and 30,600.96

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Solution

The fourth proportional to 124,095.20, 186,140.80 and 30,600.96 is: 45,900.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,095.20 : 186,140.80 = 30,600.96 : x
  2. Step 2: Convert to fraction form
    124,095.20/186,140.80 = 30,600.96/x
  3. Step 3: Cross multiply
    124,095.20x = 186,140.80 × 30,600.96
  4. Step 4: Simplify right side
    124,095.20x = 5,696,087,175.17
  5. Step 5: Solve for x
    x = 5,696,087,175.17/124,095.20
  6. Step 6: Final answer
    x = 45,900.95

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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.