Home / 124,104.28-186,984.46-112,271.24

Finding the Fourth Proportional to 124,104.28, 186,984.46 and 112,271.24

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Solution

The fourth proportional to 124,104.28, 186,984.46 and 112,271.24 is: 169,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,104.28 : 186,984.46 = 112,271.24 : x
  2. Step 2: Convert to fraction form
    124,104.28/186,984.46 = 112,271.24/x
  3. Step 3: Cross multiply
    124,104.28x = 186,984.46 × 112,271.24
  4. Step 4: Simplify right side
    124,104.28x = 20,992,976,714.25
  5. Step 5: Solve for x
    x = 20,992,976,714.25/124,104.28
  6. Step 6: Final answer
    x = 169,155.95

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.