Home / 351,061.25-526,613.75-140,671.85

Finding the Fourth Proportional to 351,061.25, 526,613.75 and 140,671.85

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Solution

The fourth proportional to 351,061.25, 526,613.75 and 140,671.85 is: 211,016.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,061.25 : 526,613.75 = 140,671.85 : x
  2. Step 2: Convert to fraction form
    351,061.25/526,613.75 = 140,671.85/x
  3. Step 3: Cross multiply
    351,061.25x = 526,613.75 × 140,671.85
  4. Step 4: Simplify right side
    351,061.25x = 74,079,727,111.51
  5. Step 5: Solve for x
    x = 74,079,727,111.51/351,061.25
  6. Step 6: Final answer
    x = 211,016.53

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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.