Home / 126,283.56-189,367.02-47,341.32

Finding the Fourth Proportional to 126,283.56, 189,367.02 and 47,341.32

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Solution

The fourth proportional to 126,283.56, 189,367.02 and 47,341.32 is: 70,990.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,283.56 : 189,367.02 = 47,341.32 : x
  2. Step 2: Convert to fraction form
    126,283.56/189,367.02 = 47,341.32/x
  3. Step 3: Cross multiply
    126,283.56x = 189,367.02 × 47,341.32
  4. Step 4: Simplify right side
    126,283.56x = 8,964,884,691.27
  5. Step 5: Solve for x
    x = 8,964,884,691.27/126,283.56
  6. Step 6: Final answer
    x = 70,990.12

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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.