Home / 132,505.32-182,860.68-72,079.36

Finding the Fourth Proportional to 132,505.32, 182,860.68 and 72,079.36

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Solution

The fourth proportional to 132,505.32, 182,860.68 and 72,079.36 is: 99,471.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,505.32 : 182,860.68 = 72,079.36 : x
  2. Step 2: Convert to fraction form
    132,505.32/182,860.68 = 72,079.36/x
  3. Step 3: Cross multiply
    132,505.32x = 182,860.68 × 72,079.36
  4. Step 4: Simplify right side
    132,505.32x = 13,180,480,783.56
  5. Step 5: Solve for x
    x = 13,180,480,783.56/132,505.32
  6. Step 6: Final answer
    x = 99,471.33

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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.