Home / 215,525.92-297,435-120,032.62

Finding the Fourth Proportional to 215,525.92, 297,435 and 120,032.62

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Solution

The fourth proportional to 215,525.92, 297,435 and 120,032.62 is: 165,650.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,525.92 : 297,435 = 120,032.62 : x
  2. Step 2: Convert to fraction form
    215,525.92/297,435 = 120,032.62/x
  3. Step 3: Cross multiply
    215,525.92x = 297,435 × 120,032.62
  4. Step 4: Simplify right side
    215,525.92x = 35,701,900,842.53
  5. Step 5: Solve for x
    x = 35,701,900,842.53/215,525.92
  6. Step 6: Final answer
    x = 165,650.15

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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.