Home / 175,404.09-263,254.02-68,862.87

Finding the Fourth Proportional to 175,404.09, 263,254.02 and 68,862.87

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Solution

The fourth proportional to 175,404.09, 263,254.02 and 68,862.87 is: 103,352.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,404.09 : 263,254.02 = 68,862.87 : x
  2. Step 2: Convert to fraction form
    175,404.09/263,254.02 = 68,862.87/x
  3. Step 3: Cross multiply
    175,404.09x = 263,254.02 × 68,862.87
  4. Step 4: Simplify right side
    175,404.09x = 18,128,427,838.40
  5. Step 5: Solve for x
    x = 18,128,427,838.40/175,404.09
  6. Step 6: Final answer
    x = 103,352.37

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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.