Home / 131,793.04-181,887.42-75,212.92

Finding the Fourth Proportional to 131,793.04, 181,887.42 and 75,212.92

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Solution

The fourth proportional to 131,793.04, 181,887.42 and 75,212.92 is: 103,801.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,793.04 : 181,887.42 = 75,212.92 : x
  2. Step 2: Convert to fraction form
    131,793.04/181,887.42 = 75,212.92/x
  3. Step 3: Cross multiply
    131,793.04x = 181,887.42 × 75,212.92
  4. Step 4: Simplify right side
    131,793.04x = 13,680,283,969.47
  5. Step 5: Solve for x
    x = 13,680,283,969.47/131,793.04
  6. Step 6: Final answer
    x = 103,801.26

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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.