Home / 195,266.40-292,996.80-111,091.20

Finding the Fourth Proportional to 195,266.40, 292,996.80 and 111,091.20

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Solution

The fourth proportional to 195,266.40, 292,996.80 and 111,091.20 is: 166,692.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,266.40 : 292,996.80 = 111,091.20 : x
  2. Step 2: Convert to fraction form
    195,266.40/292,996.80 = 111,091.20/x
  3. Step 3: Cross multiply
    195,266.40x = 292,996.80 × 111,091.20
  4. Step 4: Simplify right side
    195,266.40x = 32,549,366,108.16
  5. Step 5: Solve for x
    x = 32,549,366,108.16/195,266.40
  6. Step 6: Final answer
    x = 166,692.10

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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.