Home / 127,580.47-191,357.03-38,834.74

Finding the Fourth Proportional to 127,580.47, 191,357.03 and 38,834.74

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Solution

The fourth proportional to 127,580.47, 191,357.03 and 38,834.74 is: 58,247.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,580.47 : 191,357.03 = 38,834.74 : x
  2. Step 2: Convert to fraction form
    127,580.47/191,357.03 = 38,834.74/x
  3. Step 3: Cross multiply
    127,580.47x = 191,357.03 × 38,834.74
  4. Step 4: Simplify right side
    127,580.47x = 7,431,300,843.51
  5. Step 5: Solve for x
    x = 7,431,300,843.51/127,580.47
  6. Step 6: Final answer
    x = 58,247.95

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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.