Home / 120,132.70-165,795.46-69,147.24

Finding the Fourth Proportional to 120,132.70, 165,795.46 and 69,147.24

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Solution

The fourth proportional to 120,132.70, 165,795.46 and 69,147.24 is: 95,430.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,132.70 : 165,795.46 = 69,147.24 : x
  2. Step 2: Convert to fraction form
    120,132.70/165,795.46 = 69,147.24/x
  3. Step 3: Cross multiply
    120,132.70x = 165,795.46 × 69,147.24
  4. Step 4: Simplify right side
    120,132.70x = 11,464,298,463.53
  5. Step 5: Solve for x
    x = 11,464,298,463.53/120,132.70
  6. Step 6: Final answer
    x = 95,430.29

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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.