Home / 119,758.84-165,282.60-99,581.04

Finding the Fourth Proportional to 119,758.84, 165,282.60 and 99,581.04

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Solution

The fourth proportional to 119,758.84, 165,282.60 and 99,581.04 is: 137,434.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,758.84 : 165,282.60 = 99,581.04 : x
  2. Step 2: Convert to fraction form
    119,758.84/165,282.60 = 99,581.04/x
  3. Step 3: Cross multiply
    119,758.84x = 165,282.60 × 99,581.04
  4. Step 4: Simplify right side
    119,758.84x = 16,459,013,201.90
  5. Step 5: Solve for x
    x = 16,459,013,201.90/119,758.84
  6. Step 6: Final answer
    x = 137,434.64

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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.