Home / 115,700.81-173,649.62-82,502.15

Finding the Fourth Proportional to 115,700.81, 173,649.62 and 82,502.15

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Solution

The fourth proportional to 115,700.81, 173,649.62 and 82,502.15 is: 123,823.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,700.81 : 173,649.62 = 82,502.15 : x
  2. Step 2: Convert to fraction form
    115,700.81/173,649.62 = 82,502.15/x
  3. Step 3: Cross multiply
    115,700.81x = 173,649.62 × 82,502.15
  4. Step 4: Simplify right side
    115,700.81x = 14,326,466,334.69
  5. Step 5: Solve for x
    x = 14,326,466,334.69/115,700.81
  6. Step 6: Final answer
    x = 123,823.39

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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.