Home / 127,935.03-191,820.42-53,106.82

Finding the Fourth Proportional to 127,935.03, 191,820.42 and 53,106.82

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Solution

The fourth proportional to 127,935.03, 191,820.42 and 53,106.82 is: 79,626.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,935.03 : 191,820.42 = 53,106.82 : x
  2. Step 2: Convert to fraction form
    127,935.03/191,820.42 = 53,106.82/x
  3. Step 3: Cross multiply
    127,935.03x = 191,820.42 × 53,106.82
  4. Step 4: Simplify right side
    127,935.03x = 10,186,972,956.19
  5. Step 5: Solve for x
    x = 10,186,972,956.19/127,935.03
  6. Step 6: Final answer
    x = 79,626.15

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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.