Home / 132,212.10-182,452.70-71,782.75

Finding the Fourth Proportional to 132,212.10, 182,452.70 and 71,782.75

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Solution

The fourth proportional to 132,212.10, 182,452.70 and 71,782.75 is: 99,060.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,212.10 : 182,452.70 = 71,782.75 : x
  2. Step 2: Convert to fraction form
    132,212.10/182,452.70 = 71,782.75/x
  3. Step 3: Cross multiply
    132,212.10x = 182,452.70 × 71,782.75
  4. Step 4: Simplify right side
    132,212.10x = 13,096,956,953.20
  5. Step 5: Solve for x
    x = 13,096,956,953.20/132,212.10
  6. Step 6: Final answer
    x = 99,060.20

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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.