Home / 129,243.84-193,865.79-40,497.33

Finding the Fourth Proportional to 129,243.84, 193,865.79 and 40,497.33

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Solution

The fourth proportional to 129,243.84, 193,865.79 and 40,497.33 is: 60,746.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,243.84 : 193,865.79 = 40,497.33 : x
  2. Step 2: Convert to fraction form
    129,243.84/193,865.79 = 40,497.33/x
  3. Step 3: Cross multiply
    129,243.84x = 193,865.79 × 40,497.33
  4. Step 4: Simplify right side
    129,243.84x = 7,851,046,873.34
  5. Step 5: Solve for x
    x = 7,851,046,873.34/129,243.84
  6. Step 6: Final answer
    x = 60,746.00

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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.