Home / 113,607.10-170,410.65-71,616.70

Finding the Fourth Proportional to 113,607.10, 170,410.65 and 71,616.70

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Solution

The fourth proportional to 113,607.10, 170,410.65 and 71,616.70 is: 107,425.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,607.10 : 170,410.65 = 71,616.70 : x
  2. Step 2: Convert to fraction form
    113,607.10/170,410.65 = 71,616.70/x
  3. Step 3: Cross multiply
    113,607.10x = 170,410.65 × 71,616.70
  4. Step 4: Simplify right side
    113,607.10x = 12,204,248,397.86
  5. Step 5: Solve for x
    x = 12,204,248,397.86/113,607.10
  6. Step 6: Final answer
    x = 107,425.05

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1.5x scale

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.