Home / 134,191.17-185,122.89-83,190.33

Finding the Fourth Proportional to 134,191.17, 185,122.89 and 83,190.33

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Solution

The fourth proportional to 134,191.17, 185,122.89 and 83,190.33 is: 114,764.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,191.17 : 185,122.89 = 83,190.33 : x
  2. Step 2: Convert to fraction form
    134,191.17/185,122.89 = 83,190.33/x
  3. Step 3: Cross multiply
    134,191.17x = 185,122.89 × 83,190.33
  4. Step 4: Simplify right side
    134,191.17x = 15,400,434,309.65
  5. Step 5: Solve for x
    x = 15,400,434,309.65/134,191.17
  6. Step 6: Final answer
    x = 114,764.89

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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.