Home / 120,239.24-165,911.49-69,254.19

Finding the Fourth Proportional to 120,239.24, 165,911.49 and 69,254.19

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Solution

The fourth proportional to 120,239.24, 165,911.49 and 69,254.19 is: 95,560.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,239.24 : 165,911.49 = 69,254.19 : x
  2. Step 2: Convert to fraction form
    120,239.24/165,911.49 = 69,254.19/x
  3. Step 3: Cross multiply
    120,239.24x = 165,911.49 × 69,254.19
  4. Step 4: Simplify right side
    120,239.24x = 11,490,065,851.64
  5. Step 5: Solve for x
    x = 11,490,065,851.64/120,239.24
  6. Step 6: Final answer
    x = 95,560.04

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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.