Home / 152,944.78-211,065.24-84,035.69

Finding the Fourth Proportional to 152,944.78, 211,065.24 and 84,035.69

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Solution

The fourth proportional to 152,944.78, 211,065.24 and 84,035.69 is: 115,970.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,944.78 : 211,065.24 = 84,035.69 : x
  2. Step 2: Convert to fraction form
    152,944.78/211,065.24 = 84,035.69/x
  3. Step 3: Cross multiply
    152,944.78x = 211,065.24 × 84,035.69
  4. Step 4: Simplify right side
    152,944.78x = 17,737,013,078.42
  5. Step 5: Solve for x
    x = 17,737,013,078.42/152,944.78
  6. Step 6: Final answer
    x = 115,970.05

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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.