Home / 113,823.20-170,389.20-101,381.60

Finding the Fourth Proportional to 113,823.20, 170,389.20 and 101,381.60

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Solution

The fourth proportional to 113,823.20, 170,389.20 and 101,381.60 is: 151,764.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,823.20 : 170,389.20 = 101,381.60 : x
  2. Step 2: Convert to fraction form
    113,823.20/170,389.20 = 101,381.60/x
  3. Step 3: Cross multiply
    113,823.20x = 170,389.20 × 101,381.60
  4. Step 4: Simplify right side
    113,823.20x = 17,274,329,718.72
  5. Step 5: Solve for x
    x = 17,274,329,718.72/113,823.20
  6. Step 6: Final answer
    x = 151,764.58

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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.