Home / 154,624.80-231,937.20-119,589.60

Finding the Fourth Proportional to 154,624.80, 231,937.20 and 119,589.60

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Solution

The fourth proportional to 154,624.80, 231,937.20 and 119,589.60 is: 179,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,624.80 : 231,937.20 = 119,589.60 : x
  2. Step 2: Convert to fraction form
    154,624.80/231,937.20 = 119,589.60/x
  3. Step 3: Cross multiply
    154,624.80x = 231,937.20 × 119,589.60
  4. Step 4: Simplify right side
    154,624.80x = 27,737,276,973.12
  5. Step 5: Solve for x
    x = 27,737,276,973.12/154,624.80
  6. Step 6: Final answer
    x = 179,384.40

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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.