Home / 183,945.61-253,914.31-107,489.55

Finding the Fourth Proportional to 183,945.61, 253,914.31 and 107,489.55

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Solution

The fourth proportional to 183,945.61, 253,914.31 and 107,489.55 is: 148,376.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,945.61 : 253,914.31 = 107,489.55 : x
  2. Step 2: Convert to fraction form
    183,945.61/253,914.31 = 107,489.55/x
  3. Step 3: Cross multiply
    183,945.61x = 253,914.31 × 107,489.55
  4. Step 4: Simplify right side
    183,945.61x = 27,293,134,920.46
  5. Step 5: Solve for x
    x = 27,293,134,920.46/183,945.61
  6. Step 6: Final answer
    x = 148,376.11

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1.5x scale

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.