Home / 127,618.13-191,436.06-43,343.93

Finding the Fourth Proportional to 127,618.13, 191,436.06 and 43,343.93

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Solution

The fourth proportional to 127,618.13, 191,436.06 and 43,343.93 is: 65,018.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,618.13 : 191,436.06 = 43,343.93 : x
  2. Step 2: Convert to fraction form
    127,618.13/191,436.06 = 43,343.93/x
  3. Step 3: Cross multiply
    127,618.13x = 191,436.06 × 43,343.93
  4. Step 4: Simplify right side
    127,618.13x = 8,297,591,184.12
  5. Step 5: Solve for x
    x = 8,297,591,184.12/127,618.13
  6. Step 6: Final answer
    x = 65,018.91

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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.