Home / 127,613.13-191,428.56-43,338.93

Finding the Fourth Proportional to 127,613.13, 191,428.56 and 43,338.93

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Solution

The fourth proportional to 127,613.13, 191,428.56 and 43,338.93 is: 65,011.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,613.13 : 191,428.56 = 43,338.93 : x
  2. Step 2: Convert to fraction form
    127,613.13/191,428.56 = 43,338.93/x
  3. Step 3: Cross multiply
    127,613.13x = 191,428.56 × 43,338.93
  4. Step 4: Simplify right side
    127,613.13x = 8,296,308,961.84
  5. Step 5: Solve for x
    x = 8,296,308,961.84/127,613.13
  6. Step 6: Final answer
    x = 65,011.41

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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.