Home / 158,621.82-218,815.20-94,053.48

Finding the Fourth Proportional to 158,621.82, 218,815.20 and 94,053.48

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Solution

The fourth proportional to 158,621.82, 218,815.20 and 94,053.48 is: 129,744.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,621.82 : 218,815.20 = 94,053.48 : x
  2. Step 2: Convert to fraction form
    158,621.82/218,815.20 = 94,053.48/x
  3. Step 3: Cross multiply
    158,621.82x = 218,815.20 × 94,053.48
  4. Step 4: Simplify right side
    158,621.82x = 20,580,331,036.90
  5. Step 5: Solve for x
    x = 20,580,331,036.90/158,621.82
  6. Step 6: Final answer
    x = 129,744.64

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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.