Home / 144,867.94-199,807.90-126,931.75

Finding the Fourth Proportional to 144,867.94, 199,807.90 and 126,931.75

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Solution

The fourth proportional to 144,867.94, 199,807.90 and 126,931.75 is: 175,069.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,867.94 : 199,807.90 = 126,931.75 : x
  2. Step 2: Convert to fraction form
    144,867.94/199,807.90 = 126,931.75/x
  3. Step 3: Cross multiply
    144,867.94x = 199,807.90 × 126,931.75
  4. Step 4: Simplify right side
    144,867.94x = 25,361,966,410.83
  5. Step 5: Solve for x
    x = 25,361,966,410.83/144,867.94
  6. Step 6: Final answer
    x = 175,069.56

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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.