Home / 119,041.14-164,278.79-65,331.15

Finding the Fourth Proportional to 119,041.14, 164,278.79 and 65,331.15

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Solution

The fourth proportional to 119,041.14, 164,278.79 and 65,331.15 is: 90,158.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,041.14 : 164,278.79 = 65,331.15 : x
  2. Step 2: Convert to fraction form
    119,041.14/164,278.79 = 65,331.15/x
  3. Step 3: Cross multiply
    119,041.14x = 164,278.79 × 65,331.15
  4. Step 4: Simplify right side
    119,041.14x = 10,732,521,944.65
  5. Step 5: Solve for x
    x = 10,732,521,944.65/119,041.14
  6. Step 6: Final answer
    x = 90,158.09

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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.