Home / 158,155.11-218,232.51-94,479.39

Finding the Fourth Proportional to 158,155.11, 218,232.51 and 94,479.39

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Solution

The fourth proportional to 158,155.11, 218,232.51 and 94,479.39 is: 130,368.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,155.11 : 218,232.51 = 94,479.39 : x
  2. Step 2: Convert to fraction form
    158,155.11/218,232.51 = 94,479.39/x
  3. Step 3: Cross multiply
    158,155.11x = 218,232.51 × 94,479.39
  4. Step 4: Simplify right side
    158,155.11x = 20,618,474,422.97
  5. Step 5: Solve for x
    x = 20,618,474,422.97/158,155.11
  6. Step 6: Final answer
    x = 130,368.69

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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.