Home / 127,606.77-191,437.83-38,857.95

Finding the Fourth Proportional to 127,606.77, 191,437.83 and 38,857.95

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Solution

The fourth proportional to 127,606.77, 191,437.83 and 38,857.95 is: 58,295.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,606.77 : 191,437.83 = 38,857.95 : x
  2. Step 2: Convert to fraction form
    127,606.77/191,437.83 = 38,857.95/x
  3. Step 3: Cross multiply
    127,606.77x = 191,437.83 × 38,857.95
  4. Step 4: Simplify right side
    127,606.77x = 7,438,881,626.25
  5. Step 5: Solve for x
    x = 7,438,881,626.25/127,606.77
  6. Step 6: Final answer
    x = 58,295.35

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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.