Home / 170,130.30-255,195.45-43,770.30

Finding the Fourth Proportional to 170,130.30, 255,195.45 and 43,770.30

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Solution

The fourth proportional to 170,130.30, 255,195.45 and 43,770.30 is: 65,655.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,130.30 : 255,195.45 = 43,770.30 : x
  2. Step 2: Convert to fraction form
    170,130.30/255,195.45 = 43,770.30/x
  3. Step 3: Cross multiply
    170,130.30x = 255,195.45 × 43,770.30
  4. Step 4: Simplify right side
    170,130.30x = 11,169,981,405.14
  5. Step 5: Solve for x
    x = 11,169,981,405.14/170,130.30
  6. Step 6: Final answer
    x = 65,655.45

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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.