Home / 132,038.04-182,144.70-86,709.48

Finding the Fourth Proportional to 132,038.04, 182,144.70 and 86,709.48

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Solution

The fourth proportional to 132,038.04, 182,144.70 and 86,709.48 is: 119,614.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,038.04 : 182,144.70 = 86,709.48 : x
  2. Step 2: Convert to fraction form
    132,038.04/182,144.70 = 86,709.48/x
  3. Step 3: Cross multiply
    132,038.04x = 182,144.70 × 86,709.48
  4. Step 4: Simplify right side
    132,038.04x = 15,793,672,221.76
  5. Step 5: Solve for x
    x = 15,793,672,221.76/132,038.04
  6. Step 6: Final answer
    x = 119,614.56

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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.