Home / 230,179.32-317,656.04-126,817.72

Finding the Fourth Proportional to 230,179.32, 317,656.04 and 126,817.72

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Solution

The fourth proportional to 230,179.32, 317,656.04 and 126,817.72 is: 175,013.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,179.32 : 317,656.04 = 126,817.72 : x
  2. Step 2: Convert to fraction form
    230,179.32/317,656.04 = 126,817.72/x
  3. Step 3: Cross multiply
    230,179.32x = 317,656.04 × 126,817.72
  4. Step 4: Simplify right side
    230,179.32x = 40,284,414,737.03
  5. Step 5: Solve for x
    x = 40,284,414,737.03/230,179.32
  6. Step 6: Final answer
    x = 175,013.18

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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.