Home / 127,605.83-191,448.97-60,135.14

Finding the Fourth Proportional to 127,605.83, 191,448.97 and 60,135.14

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Solution

The fourth proportional to 127,605.83, 191,448.97 and 60,135.14 is: 90,221.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,605.83 : 191,448.97 = 60,135.14 : x
  2. Step 2: Convert to fraction form
    127,605.83/191,448.97 = 60,135.14/x
  3. Step 3: Cross multiply
    127,605.83x = 191,448.97 × 60,135.14
  4. Step 4: Simplify right side
    127,605.83x = 11,512,809,663.46
  5. Step 5: Solve for x
    x = 11,512,809,663.46/127,605.83
  6. Step 6: Final answer
    x = 90,221.66

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1.5x scale

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.