Home / 195,020.10-292,562.55-76,695.30

Finding the Fourth Proportional to 195,020.10, 292,562.55 and 76,695.30

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Solution

The fourth proportional to 195,020.10, 292,562.55 and 76,695.30 is: 115,055.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,020.10 : 292,562.55 = 76,695.30 : x
  2. Step 2: Convert to fraction form
    195,020.10/292,562.55 = 76,695.30/x
  3. Step 3: Cross multiply
    195,020.10x = 292,562.55 × 76,695.30
  4. Step 4: Simplify right side
    195,020.10x = 22,438,172,541.02
  5. Step 5: Solve for x
    x = 22,438,172,541.02/195,020.10
  6. Step 6: Final answer
    x = 115,055.69

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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.