Home / 175,517.40-263,276.10-155,178.30

Finding the Fourth Proportional to 175,517.40, 263,276.10 and 155,178.30

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Solution

The fourth proportional to 175,517.40, 263,276.10 and 155,178.30 is: 232,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,517.40 : 263,276.10 = 155,178.30 : x
  2. Step 2: Convert to fraction form
    175,517.40/263,276.10 = 155,178.30/x
  3. Step 3: Cross multiply
    175,517.40x = 263,276.10 × 155,178.30
  4. Step 4: Simplify right side
    175,517.40x = 40,854,737,628.63
  5. Step 5: Solve for x
    x = 40,854,737,628.63/175,517.40
  6. Step 6: Final answer
    x = 232,767.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.