Home / 132,144.67-182,357.05-74,782.92

Finding the Fourth Proportional to 132,144.67, 182,357.05 and 74,782.92

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Solution

The fourth proportional to 132,144.67, 182,357.05 and 74,782.92 is: 103,198.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,144.67 : 182,357.05 = 74,782.92 : x
  2. Step 2: Convert to fraction form
    132,144.67/182,357.05 = 74,782.92/x
  3. Step 3: Cross multiply
    132,144.67x = 182,357.05 × 74,782.92
  4. Step 4: Simplify right side
    132,144.67x = 13,637,192,681.59
  5. Step 5: Solve for x
    x = 13,637,192,681.59/132,144.67
  6. Step 6: Final answer
    x = 103,198.96

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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.