Home / 119,675.34-165,111.62-74,337.21

Finding the Fourth Proportional to 119,675.34, 165,111.62 and 74,337.21

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Solution

The fourth proportional to 119,675.34, 165,111.62 and 74,337.21 is: 102,560.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,675.34 : 165,111.62 = 74,337.21 : x
  2. Step 2: Convert to fraction form
    119,675.34/165,111.62 = 74,337.21/x
  3. Step 3: Cross multiply
    119,675.34x = 165,111.62 × 74,337.21
  4. Step 4: Simplify right side
    119,675.34x = 12,273,936,797.69
  5. Step 5: Solve for x
    x = 12,273,936,797.69/119,675.34
  6. Step 6: Final answer
    x = 102,560.28

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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.