Home / 126,402.67-189,557.49-51,482.13

Finding the Fourth Proportional to 126,402.67, 189,557.49 and 51,482.13

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Solution

The fourth proportional to 126,402.67, 189,557.49 and 51,482.13 is: 77,204.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,402.67 : 189,557.49 = 51,482.13 : x
  2. Step 2: Convert to fraction form
    126,402.67/189,557.49 = 51,482.13/x
  3. Step 3: Cross multiply
    126,402.67x = 189,557.49 × 51,482.13
  4. Step 4: Simplify right side
    126,402.67x = 9,758,823,342.65
  5. Step 5: Solve for x
    x = 9,758,823,342.65/126,402.67
  6. Step 6: Final answer
    x = 77,204.25

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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.