Home / 127,453.65-191,168.06-38,707.89

Finding the Fourth Proportional to 127,453.65, 191,168.06 and 38,707.89

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Solution

The fourth proportional to 127,453.65, 191,168.06 and 38,707.89 is: 58,058.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,453.65 : 191,168.06 = 38,707.89 : x
  2. Step 2: Convert to fraction form
    127,453.65/191,168.06 = 38,707.89/x
  3. Step 3: Cross multiply
    127,453.65x = 191,168.06 × 38,707.89
  4. Step 4: Simplify right side
    127,453.65x = 7,399,712,044.45
  5. Step 5: Solve for x
    x = 7,399,712,044.45/127,453.65
  6. Step 6: Final answer
    x = 58,058.06

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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.