Home / 158,803.46-219,146.04-87,182.96

Finding the Fourth Proportional to 158,803.46, 219,146.04 and 87,182.96

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Solution

The fourth proportional to 158,803.46, 219,146.04 and 87,182.96 is: 120,310.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,803.46 : 219,146.04 = 87,182.96 : x
  2. Step 2: Convert to fraction form
    158,803.46/219,146.04 = 87,182.96/x
  3. Step 3: Cross multiply
    158,803.46x = 219,146.04 × 87,182.96
  4. Step 4: Simplify right side
    158,803.46x = 19,105,800,439.48
  5. Step 5: Solve for x
    x = 19,105,800,439.48/158,803.46
  6. Step 6: Final answer
    x = 120,310.98

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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.