Home / 171,432.53-236,577.56-99,861.74

Finding the Fourth Proportional to 171,432.53, 236,577.56 and 99,861.74

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Solution

The fourth proportional to 171,432.53, 236,577.56 and 99,861.74 is: 137,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,432.53 : 236,577.56 = 99,861.74 : x
  2. Step 2: Convert to fraction form
    171,432.53/236,577.56 = 99,861.74/x
  3. Step 3: Cross multiply
    171,432.53x = 236,577.56 × 99,861.74
  4. Step 4: Simplify right side
    171,432.53x = 23,625,045,104.36
  5. Step 5: Solve for x
    x = 23,625,045,104.36/171,432.53
  6. Step 6: Final answer
    x = 137,809.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.