Home / 127,524.80-191,155.08-43,256.72

Finding the Fourth Proportional to 127,524.80, 191,155.08 and 43,256.72

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Solution

The fourth proportional to 127,524.80, 191,155.08 and 43,256.72 is: 64,840.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,524.80 : 191,155.08 = 43,256.72 : x
  2. Step 2: Convert to fraction form
    127,524.80/191,155.08 = 43,256.72/x
  3. Step 3: Cross multiply
    127,524.80x = 191,155.08 × 43,256.72
  4. Step 4: Simplify right side
    127,524.80x = 8,268,741,772.14
  5. Step 5: Solve for x
    x = 8,268,741,772.14/127,524.80
  6. Step 6: Final answer
    x = 64,840.26

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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.