Home / 126,479.08-189,731.58-56,352.52

Finding the Fourth Proportional to 126,479.08, 189,731.58 and 56,352.52

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Solution

The fourth proportional to 126,479.08, 189,731.58 and 56,352.52 is: 84,534.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,479.08 : 189,731.58 = 56,352.52 : x
  2. Step 2: Convert to fraction form
    126,479.08/189,731.58 = 56,352.52/x
  3. Step 3: Cross multiply
    126,479.08x = 189,731.58 × 56,352.52
  4. Step 4: Simplify right side
    126,479.08x = 10,691,852,656.58
  5. Step 5: Solve for x
    x = 10,691,852,656.58/126,479.08
  6. Step 6: Final answer
    x = 84,534.55

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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.