Home / 122,326.10-183,489.15-75,670.10

Finding the Fourth Proportional to 122,326.10, 183,489.15 and 75,670.10

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Solution

The fourth proportional to 122,326.10, 183,489.15 and 75,670.10 is: 113,505.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,326.10 : 183,489.15 = 75,670.10 : x
  2. Step 2: Convert to fraction form
    122,326.10/183,489.15 = 75,670.10/x
  3. Step 3: Cross multiply
    122,326.10x = 183,489.15 × 75,670.10
  4. Step 4: Simplify right side
    122,326.10x = 13,884,642,329.42
  5. Step 5: Solve for x
    x = 13,884,642,329.42/122,326.10
  6. Step 6: Final answer
    x = 113,505.15

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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.