Home / 127,780.49-191,759.67-52,901.02

Finding the Fourth Proportional to 127,780.49, 191,759.67 and 52,901.02

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Solution

The fourth proportional to 127,780.49, 191,759.67 and 52,901.02 is: 79,388.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,780.49 : 191,759.67 = 52,901.02 : x
  2. Step 2: Convert to fraction form
    127,780.49/191,759.67 = 52,901.02/x
  3. Step 3: Cross multiply
    127,780.49x = 191,759.67 × 52,901.02
  4. Step 4: Simplify right side
    127,780.49x = 10,144,282,137.86
  5. Step 5: Solve for x
    x = 10,144,282,137.86/127,780.49
  6. Step 6: Final answer
    x = 79,388.35

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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.