Home / 195,101.40-292,533.30-76,630.80

Finding the Fourth Proportional to 195,101.40, 292,533.30 and 76,630.80

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Solution

The fourth proportional to 195,101.40, 292,533.30 and 76,630.80 is: 114,899.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,101.40 : 292,533.30 = 76,630.80 : x
  2. Step 2: Convert to fraction form
    195,101.40/292,533.30 = 76,630.80/x
  3. Step 3: Cross multiply
    195,101.40x = 292,533.30 × 76,630.80
  4. Step 4: Simplify right side
    195,101.40x = 22,417,060,805.64
  5. Step 5: Solve for x
    x = 22,417,060,805.64/195,101.40
  6. Step 6: Final answer
    x = 114,899.54

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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.