Home / 179,430.60-269,729.10-127,201.80

Finding the Fourth Proportional to 179,430.60, 269,729.10 and 127,201.80

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Solution

The fourth proportional to 179,430.60, 269,729.10 and 127,201.80 is: 191,216.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,430.60 : 269,729.10 = 127,201.80 : x
  2. Step 2: Convert to fraction form
    179,430.60/269,729.10 = 127,201.80/x
  3. Step 3: Cross multiply
    179,430.60x = 269,729.10 × 127,201.80
  4. Step 4: Simplify right side
    179,430.60x = 34,310,027,032.38
  5. Step 5: Solve for x
    x = 34,310,027,032.38/179,430.60
  6. Step 6: Final answer
    x = 191,216.14

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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.