Home / 155,105.65-214,040.13-94,777.24

Finding the Fourth Proportional to 155,105.65, 214,040.13 and 94,777.24

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Solution

The fourth proportional to 155,105.65, 214,040.13 and 94,777.24 is: 130,789.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,105.65 : 214,040.13 = 94,777.24 : x
  2. Step 2: Convert to fraction form
    155,105.65/214,040.13 = 94,777.24/x
  3. Step 3: Cross multiply
    155,105.65x = 214,040.13 × 94,777.24
  4. Step 4: Simplify right side
    155,105.65x = 20,286,132,770.64
  5. Step 5: Solve for x
    x = 20,286,132,770.64/155,105.65
  6. Step 6: Final answer
    x = 130,789.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.