Home / 127,822.32-191,603.88-61,164.72

Finding the Fourth Proportional to 127,822.32, 191,603.88 and 61,164.72

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Solution

The fourth proportional to 127,822.32, 191,603.88 and 61,164.72 is: 91,685.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,822.32 : 191,603.88 = 61,164.72 : x
  2. Step 2: Convert to fraction form
    127,822.32/191,603.88 = 61,164.72/x
  3. Step 3: Cross multiply
    127,822.32x = 191,603.88 × 61,164.72
  4. Step 4: Simplify right side
    127,822.32x = 11,719,397,671.11
  5. Step 5: Solve for x
    x = 11,719,397,671.11/127,822.32
  6. Step 6: Final answer
    x = 91,685.06

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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.