Home / 125,152.31-188,261.20-113,447.24

Finding the Fourth Proportional to 125,152.31, 188,261.20 and 113,447.24

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Solution

The fourth proportional to 125,152.31, 188,261.20 and 113,447.24 is: 170,653.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,152.31 : 188,261.20 = 113,447.24 : x
  2. Step 2: Convert to fraction form
    125,152.31/188,261.20 = 113,447.24/x
  3. Step 3: Cross multiply
    125,152.31x = 188,261.20 × 113,447.24
  4. Step 4: Simplify right side
    125,152.31x = 21,357,712,597.78
  5. Step 5: Solve for x
    x = 21,357,712,597.78/125,152.31
  6. Step 6: Final answer
    x = 170,653.77

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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.