Home / 125,891.22-188,565-59,231.46

Finding the Fourth Proportional to 125,891.22, 188,565 and 59,231.46

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Solution

The fourth proportional to 125,891.22, 188,565 and 59,231.46 is: 88,719.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,891.22 : 188,565 = 59,231.46 : x
  2. Step 2: Convert to fraction form
    125,891.22/188,565 = 59,231.46/x
  3. Step 3: Cross multiply
    125,891.22x = 188,565 × 59,231.46
  4. Step 4: Simplify right side
    125,891.22x = 11,168,980,254.90
  5. Step 5: Solve for x
    x = 11,168,980,254.90/125,891.22
  6. Step 6: Final answer
    x = 88,719.29

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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.