Home / 113,760.57-170,502.51-80,490.24

Finding the Fourth Proportional to 113,760.57, 170,502.51 and 80,490.24

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Solution

The fourth proportional to 113,760.57, 170,502.51 and 80,490.24 is: 120,637.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,760.57 : 170,502.51 = 80,490.24 : x
  2. Step 2: Convert to fraction form
    113,760.57/170,502.51 = 80,490.24/x
  3. Step 3: Cross multiply
    113,760.57x = 170,502.51 × 80,490.24
  4. Step 4: Simplify right side
    113,760.57x = 13,723,787,950.50
  5. Step 5: Solve for x
    x = 13,723,787,950.50/113,760.57
  6. Step 6: Final answer
    x = 120,637.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.