Home / 161,291.80-222,254.42-124,771.40

Finding the Fourth Proportional to 161,291.80, 222,254.42 and 124,771.40

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Solution

The fourth proportional to 161,291.80, 222,254.42 and 124,771.40 is: 171,930.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,291.80 : 222,254.42 = 124,771.40 : x
  2. Step 2: Convert to fraction form
    161,291.80/222,254.42 = 124,771.40/x
  3. Step 3: Cross multiply
    161,291.80x = 222,254.42 × 124,771.40
  4. Step 4: Simplify right side
    161,291.80x = 27,730,994,340.24
  5. Step 5: Solve for x
    x = 27,730,994,340.24/161,291.80
  6. Step 6: Final answer
    x = 171,930.59

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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.