Home / 134,114.87-185,001.55-83,726.39

Finding the Fourth Proportional to 134,114.87, 185,001.55 and 83,726.39

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Solution

The fourth proportional to 134,114.87, 185,001.55 and 83,726.39 is: 115,494.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,114.87 : 185,001.55 = 83,726.39 : x
  2. Step 2: Convert to fraction form
    134,114.87/185,001.55 = 83,726.39/x
  3. Step 3: Cross multiply
    134,114.87x = 185,001.55 × 83,726.39
  4. Step 4: Simplify right side
    134,114.87x = 15,489,512,030.56
  5. Step 5: Solve for x
    x = 15,489,512,030.56/134,114.87
  6. Step 6: Final answer
    x = 115,494.37

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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.