Home / 132,131.04-182,339.76-74,769.84

Finding the Fourth Proportional to 132,131.04, 182,339.76 and 74,769.84

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Solution

The fourth proportional to 132,131.04, 182,339.76 and 74,769.84 is: 103,181.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,131.04 : 182,339.76 = 74,769.84 : x
  2. Step 2: Convert to fraction form
    132,131.04/182,339.76 = 74,769.84/x
  3. Step 3: Cross multiply
    132,131.04x = 182,339.76 × 74,769.84
  4. Step 4: Simplify right side
    132,131.04x = 13,633,514,680.84
  5. Step 5: Solve for x
    x = 13,633,514,680.84/132,131.04
  6. Step 6: Final answer
    x = 103,181.77

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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.