Home / 127,606.14-191,437.79-38,866.59

Finding the Fourth Proportional to 127,606.14, 191,437.79 and 38,866.59

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Solution

The fourth proportional to 127,606.14, 191,437.79 and 38,866.59 is: 58,308.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,606.14 : 191,437.79 = 38,866.59 : x
  2. Step 2: Convert to fraction form
    127,606.14/191,437.79 = 38,866.59/x
  3. Step 3: Cross multiply
    127,606.14x = 191,437.79 × 38,866.59
  4. Step 4: Simplify right side
    127,606.14x = 7,440,533,900.10
  5. Step 5: Solve for x
    x = 7,440,533,900.10/127,606.14
  6. Step 6: Final answer
    x = 58,308.59

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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.