Home / 195,500.20-293,118.90-77,110.60

Finding the Fourth Proportional to 195,500.20, 293,118.90 and 77,110.60

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Solution

The fourth proportional to 195,500.20, 293,118.90 and 77,110.60 is: 115,614.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,500.20 : 293,118.90 = 77,110.60 : x
  2. Step 2: Convert to fraction form
    195,500.20/293,118.90 = 77,110.60/x
  3. Step 3: Cross multiply
    195,500.20x = 293,118.90 × 77,110.60
  4. Step 4: Simplify right side
    195,500.20x = 22,602,574,250.34
  5. Step 5: Solve for x
    x = 22,602,574,250.34/195,500.20
  6. Step 6: Final answer
    x = 115,614.07

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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.