Home / 240,168.40-331,434.85-131,275.85

Finding the Fourth Proportional to 240,168.40, 331,434.85 and 131,275.85

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Solution

The fourth proportional to 240,168.40, 331,434.85 and 131,275.85 is: 181,162.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,168.40 : 331,434.85 = 131,275.85 : x
  2. Step 2: Convert to fraction form
    240,168.40/331,434.85 = 131,275.85/x
  3. Step 3: Cross multiply
    240,168.40x = 331,434.85 × 131,275.85
  4. Step 4: Simplify right side
    240,168.40x = 43,509,389,668.01
  5. Step 5: Solve for x
    x = 43,509,389,668.01/240,168.40
  6. Step 6: Final answer
    x = 181,162.01

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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.