Home / 183,554.48-275,360.52-78,374

Finding the Fourth Proportional to 183,554.48, 275,360.52 and 78,374

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Solution

The fourth proportional to 183,554.48, 275,360.52 and 78,374 is: 117,573.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,554.48 : 275,360.52 = 78,374 : x
  2. Step 2: Convert to fraction form
    183,554.48/275,360.52 = 78,374/x
  3. Step 3: Cross multiply
    183,554.48x = 275,360.52 × 78,374
  4. Step 4: Simplify right side
    183,554.48x = 21,581,105,394.48
  5. Step 5: Solve for x
    x = 21,581,105,394.48/183,554.48
  6. Step 6: Final answer
    x = 117,573.30

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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.