Home / 108,218.68-149,338.91-60,472.42

Finding the Fourth Proportional to 108,218.68, 149,338.91 and 60,472.42

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Solution

The fourth proportional to 108,218.68, 149,338.91 and 60,472.42 is: 83,450.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,218.68 : 149,338.91 = 60,472.42 : x
  2. Step 2: Convert to fraction form
    108,218.68/149,338.91 = 60,472.42/x
  3. Step 3: Cross multiply
    108,218.68x = 149,338.91 × 60,472.42
  4. Step 4: Simplify right side
    108,218.68x = 9,030,884,238.81
  5. Step 5: Solve for x
    x = 9,030,884,238.81/108,218.68
  6. Step 6: Final answer
    x = 83,450.33

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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.