Home / 153,760.26-212,189.20-86,692.26

Finding the Fourth Proportional to 153,760.26, 212,189.20 and 86,692.26

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Solution

The fourth proportional to 153,760.26, 212,189.20 and 86,692.26 is: 119,635.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,760.26 : 212,189.20 = 86,692.26 : x
  2. Step 2: Convert to fraction form
    153,760.26/212,189.20 = 86,692.26/x
  3. Step 3: Cross multiply
    153,760.26x = 212,189.20 × 86,692.26
  4. Step 4: Simplify right side
    153,760.26x = 18,395,161,295.59
  5. Step 5: Solve for x
    x = 18,395,161,295.59/153,760.26
  6. Step 6: Final answer
    x = 119,635.34

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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.