Home / 132,448.28-182,779.53-72,019.58

Finding the Fourth Proportional to 132,448.28, 182,779.53 and 72,019.58

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Solution

The fourth proportional to 132,448.28, 182,779.53 and 72,019.58 is: 99,387.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,448.28 : 182,779.53 = 72,019.58 : x
  2. Step 2: Convert to fraction form
    132,448.28/182,779.53 = 72,019.58/x
  3. Step 3: Cross multiply
    132,448.28x = 182,779.53 × 72,019.58
  4. Step 4: Simplify right side
    132,448.28x = 13,163,704,983.20
  5. Step 5: Solve for x
    x = 13,163,704,983.20/132,448.28
  6. Step 6: Final answer
    x = 99,387.51

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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.