Home / 124,210.20-186,315.30-30,715.95

Finding the Fourth Proportional to 124,210.20, 186,315.30 and 30,715.95

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Solution

The fourth proportional to 124,210.20, 186,315.30 and 30,715.95 is: 46,073.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,210.20 : 186,315.30 = 30,715.95 : x
  2. Step 2: Convert to fraction form
    124,210.20/186,315.30 = 30,715.95/x
  3. Step 3: Cross multiply
    124,210.20x = 186,315.30 × 30,715.95
  4. Step 4: Simplify right side
    124,210.20x = 5,722,851,439.04
  5. Step 5: Solve for x
    x = 5,722,851,439.04/124,210.20
  6. Step 6: Final answer
    x = 46,073.93

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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.