Home / 134,115.87-185,002.93-83,727.39

Finding the Fourth Proportional to 134,115.87, 185,002.93 and 83,727.39

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Solution

The fourth proportional to 134,115.87, 185,002.93 and 83,727.39 is: 115,495.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,115.87 : 185,002.93 = 83,727.39 : x
  2. Step 2: Convert to fraction form
    134,115.87/185,002.93 = 83,727.39/x
  3. Step 3: Cross multiply
    134,115.87x = 185,002.93 × 83,727.39
  4. Step 4: Simplify right side
    134,115.87x = 15,489,812,471.25
  5. Step 5: Solve for x
    x = 15,489,812,471.25/134,115.87
  6. Step 6: Final answer
    x = 115,495.75

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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.