Home / 119,387.04-164,758.32-65,676.12

Finding the Fourth Proportional to 119,387.04, 164,758.32 and 65,676.12

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Solution

The fourth proportional to 119,387.04, 164,758.32 and 65,676.12 is: 90,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,387.04 : 164,758.32 = 65,676.12 : x
  2. Step 2: Convert to fraction form
    119,387.04/164,758.32 = 65,676.12/x
  3. Step 3: Cross multiply
    119,387.04x = 164,758.32 × 65,676.12
  4. Step 4: Simplify right side
    119,387.04x = 10,820,687,195.32
  5. Step 5: Solve for x
    x = 10,820,687,195.32/119,387.04
  6. Step 6: Final answer
    x = 90,635.36

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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.