Home / 97,401.60-146,102.40-38,206.80

Finding the Fourth Proportional to 97,401.60, 146,102.40 and 38,206.80

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Solution

The fourth proportional to 97,401.60, 146,102.40 and 38,206.80 is: 57,310.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,401.60 : 146,102.40 = 38,206.80 : x
  2. Step 2: Convert to fraction form
    97,401.60/146,102.40 = 38,206.80/x
  3. Step 3: Cross multiply
    97,401.60x = 146,102.40 × 38,206.80
  4. Step 4: Simplify right side
    97,401.60x = 5,582,105,176.32
  5. Step 5: Solve for x
    x = 5,582,105,176.32/97,401.60
  6. Step 6: Final answer
    x = 57,310.20

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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.