Home / 132,473.40-182,815.44-72,045.24

Finding the Fourth Proportional to 132,473.40, 182,815.44 and 72,045.24

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Solution

The fourth proportional to 132,473.40, 182,815.44 and 72,045.24 is: 99,423.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,473.40 : 182,815.44 = 72,045.24 : x
  2. Step 2: Convert to fraction form
    132,473.40/182,815.44 = 72,045.24/x
  3. Step 3: Cross multiply
    132,473.40x = 182,815.44 × 72,045.24
  4. Step 4: Simplify right side
    132,473.40x = 13,170,982,250.51
  5. Step 5: Solve for x
    x = 13,170,982,250.51/132,473.40
  6. Step 6: Final answer
    x = 99,423.60

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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.