Home / 127,235.10-190,561.89-60,721.94

Finding the Fourth Proportional to 127,235.10, 190,561.89 and 60,721.94

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Solution

The fourth proportional to 127,235.10, 190,561.89 and 60,721.94 is: 90,944.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,235.10 : 190,561.89 = 60,721.94 : x
  2. Step 2: Convert to fraction form
    127,235.10/190,561.89 = 60,721.94/x
  3. Step 3: Cross multiply
    127,235.10x = 190,561.89 × 60,721.94
  4. Step 4: Simplify right side
    127,235.10x = 11,571,288,013.42
  5. Step 5: Solve for x
    x = 11,571,288,013.42/127,235.10
  6. Step 6: Final answer
    x = 90,944.15

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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.