Home / 195,315.96-292,739.54-100,590.72

Finding the Fourth Proportional to 195,315.96, 292,739.54 and 100,590.72

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Solution

The fourth proportional to 195,315.96, 292,739.54 and 100,590.72 is: 150,765.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,315.96 : 292,739.54 = 100,590.72 : x
  2. Step 2: Convert to fraction form
    195,315.96/292,739.54 = 100,590.72/x
  3. Step 3: Cross multiply
    195,315.96x = 292,739.54 × 100,590.72
  4. Step 4: Simplify right side
    195,315.96x = 29,446,881,101.07
  5. Step 5: Solve for x
    x = 29,446,881,101.07/195,315.96
  6. Step 6: Final answer
    x = 150,765.36

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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.