Home / 113,331.40-170,022.70-66,560.20

Finding the Fourth Proportional to 113,331.40, 170,022.70 and 66,560.20

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Solution

The fourth proportional to 113,331.40, 170,022.70 and 66,560.20 is: 99,855.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,331.40 : 170,022.70 = 66,560.20 : x
  2. Step 2: Convert to fraction form
    113,331.40/170,022.70 = 66,560.20/x
  3. Step 3: Cross multiply
    113,331.40x = 170,022.70 × 66,560.20
  4. Step 4: Simplify right side
    113,331.40x = 11,316,744,916.54
  5. Step 5: Solve for x
    x = 11,316,744,916.54/113,331.40
  6. Step 6: Final answer
    x = 99,855.34

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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.