Home / 152,015.04-227,800.08-85,584.78

Finding the Fourth Proportional to 152,015.04, 227,800.08 and 85,584.78

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Solution

The fourth proportional to 152,015.04, 227,800.08 and 85,584.78 is: 128,251.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,015.04 : 227,800.08 = 85,584.78 : x
  2. Step 2: Convert to fraction form
    152,015.04/227,800.08 = 85,584.78/x
  3. Step 3: Cross multiply
    152,015.04x = 227,800.08 × 85,584.78
  4. Step 4: Simplify right side
    152,015.04x = 19,496,219,730.78
  5. Step 5: Solve for x
    x = 19,496,219,730.78/152,015.04
  6. Step 6: Final answer
    x = 128,251.91

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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.