Home / 108,861.12-150,228.23-61,114.56

Finding the Fourth Proportional to 108,861.12, 150,228.23 and 61,114.56

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Solution

The fourth proportional to 108,861.12, 150,228.23 and 61,114.56 is: 84,338.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,861.12 : 150,228.23 = 61,114.56 : x
  2. Step 2: Convert to fraction form
    108,861.12/150,228.23 = 61,114.56/x
  3. Step 3: Cross multiply
    108,861.12x = 150,228.23 × 61,114.56
  4. Step 4: Simplify right side
    108,861.12x = 9,181,131,870.46
  5. Step 5: Solve for x
    x = 9,181,131,870.46/108,861.12
  6. Step 6: Final answer
    x = 84,338.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.