Home / 110,823.40-152,778.18-68,353.48

Finding the Fourth Proportional to 110,823.40, 152,778.18 and 68,353.48

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Solution

The fourth proportional to 110,823.40, 152,778.18 and 68,353.48 is: 94,230.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,823.40 : 152,778.18 = 68,353.48 : x
  2. Step 2: Convert to fraction form
    110,823.40/152,778.18 = 68,353.48/x
  3. Step 3: Cross multiply
    110,823.40x = 152,778.18 × 68,353.48
  4. Step 4: Simplify right side
    110,823.40x = 10,442,920,271.07
  5. Step 5: Solve for x
    x = 10,442,920,271.07/110,823.40
  6. Step 6: Final answer
    x = 94,230.28

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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.