Home / 195,020.85-292,587.01-115,131.70

Finding the Fourth Proportional to 195,020.85, 292,587.01 and 115,131.70

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Solution

The fourth proportional to 195,020.85, 292,587.01 and 115,131.70 is: 172,730.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,020.85 : 292,587.01 = 115,131.70 : x
  2. Step 2: Convert to fraction form
    195,020.85/292,587.01 = 115,131.70/x
  3. Step 3: Cross multiply
    195,020.85x = 292,587.01 × 115,131.70
  4. Step 4: Simplify right side
    195,020.85x = 33,686,039,283.56
  5. Step 5: Solve for x
    x = 33,686,039,283.56/195,020.85
  6. Step 6: Final answer
    x = 172,730.45

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1.5x scale

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.