Home / 143,338.94-213,799.01-124,470.60

Finding the Fourth Proportional to 143,338.94, 213,799.01 and 124,470.60

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Solution

The fourth proportional to 143,338.94, 213,799.01 and 124,470.60 is: 185,655.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,338.94 : 213,799.01 = 124,470.60 : x
  2. Step 2: Convert to fraction form
    143,338.94/213,799.01 = 124,470.60/x
  3. Step 3: Cross multiply
    143,338.94x = 213,799.01 × 124,470.60
  4. Step 4: Simplify right side
    143,338.94x = 26,611,690,431.75
  5. Step 5: Solve for x
    x = 26,611,690,431.75/143,338.94
  6. Step 6: Final answer
    x = 185,655.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.