Home / 129,094.14-193,717-54,208.52

Finding the Fourth Proportional to 129,094.14, 193,717 and 54,208.52

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Solution

The fourth proportional to 129,094.14, 193,717 and 54,208.52 is: 81,344.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,094.14 : 193,717 = 54,208.52 : x
  2. Step 2: Convert to fraction form
    129,094.14/193,717 = 54,208.52/x
  3. Step 3: Cross multiply
    129,094.14x = 193,717 × 54,208.52
  4. Step 4: Simplify right side
    129,094.14x = 10,501,111,868.84
  5. Step 5: Solve for x
    x = 10,501,111,868.84/129,094.14
  6. Step 6: Final answer
    x = 81,344.61

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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.