Home / 113,721.04-170,251.17-66,191.05

Finding the Fourth Proportional to 113,721.04, 170,251.17 and 66,191.05

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Solution

The fourth proportional to 113,721.04, 170,251.17 and 66,191.05 is: 99,094.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,721.04 : 170,251.17 = 66,191.05 : x
  2. Step 2: Convert to fraction form
    113,721.04/170,251.17 = 66,191.05/x
  3. Step 3: Cross multiply
    113,721.04x = 170,251.17 × 66,191.05
  4. Step 4: Simplify right side
    113,721.04x = 11,269,103,706.03
  5. Step 5: Solve for x
    x = 11,269,103,706.03/113,721.04
  6. Step 6: Final answer
    x = 99,094.27

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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.