Home / 127,616.23-191,424.39-52,654.02

Finding the Fourth Proportional to 127,616.23, 191,424.39 and 52,654.02

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Solution

The fourth proportional to 127,616.23, 191,424.39 and 52,654.02 is: 78,981.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,616.23 : 191,424.39 = 52,654.02 : x
  2. Step 2: Convert to fraction form
    127,616.23/191,424.39 = 52,654.02/x
  3. Step 3: Cross multiply
    127,616.23x = 191,424.39 × 52,654.02
  4. Step 4: Simplify right side
    127,616.23x = 10,079,263,857.00
  5. Step 5: Solve for x
    x = 10,079,263,857.00/127,616.23
  6. Step 6: Final answer
    x = 78,981.05

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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.