Home / 125,596.90-188,278.23-42,432.74

Finding the Fourth Proportional to 125,596.90, 188,278.23 and 42,432.74

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Solution

The fourth proportional to 125,596.90, 188,278.23 and 42,432.74 is: 63,609.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,596.90 : 188,278.23 = 42,432.74 : x
  2. Step 2: Convert to fraction form
    125,596.90/188,278.23 = 42,432.74/x
  3. Step 3: Cross multiply
    125,596.90x = 188,278.23 × 42,432.74
  4. Step 4: Simplify right side
    125,596.90x = 7,989,161,181.25
  5. Step 5: Solve for x
    x = 7,989,161,181.25/125,596.90
  6. Step 6: Final answer
    x = 63,609.54

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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.