Home / 127,605.51-191,393.67-34,118.55

Finding the Fourth Proportional to 127,605.51, 191,393.67 and 34,118.55

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Solution

The fourth proportional to 127,605.51, 191,393.67 and 34,118.55 is: 51,173.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,605.51 : 191,393.67 = 34,118.55 : x
  2. Step 2: Convert to fraction form
    127,605.51/191,393.67 = 34,118.55/x
  3. Step 3: Cross multiply
    127,605.51x = 191,393.67 × 34,118.55
  4. Step 4: Simplify right side
    127,605.51x = 6,530,073,542.61
  5. Step 5: Solve for x
    x = 6,530,073,542.61/127,605.51
  6. Step 6: Final answer
    x = 51,173.92

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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.