Home / 113,856.10-170,784.15-100,734.10

Finding the Fourth Proportional to 113,856.10, 170,784.15 and 100,734.10

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Solution

The fourth proportional to 113,856.10, 170,784.15 and 100,734.10 is: 151,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,856.10 : 170,784.15 = 100,734.10 : x
  2. Step 2: Convert to fraction form
    113,856.10/170,784.15 = 100,734.10/x
  3. Step 3: Cross multiply
    113,856.10x = 170,784.15 × 100,734.10
  4. Step 4: Simplify right side
    113,856.10x = 17,203,787,644.52
  5. Step 5: Solve for x
    x = 17,203,787,644.52/113,856.10
  6. Step 6: Final answer
    x = 151,101.15

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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.