Home / 127,412.72-191,118.36-44,306

Finding the Fourth Proportional to 127,412.72, 191,118.36 and 44,306

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Solution

The fourth proportional to 127,412.72, 191,118.36 and 44,306 is: 66,458.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,412.72 : 191,118.36 = 44,306 : x
  2. Step 2: Convert to fraction form
    127,412.72/191,118.36 = 44,306/x
  3. Step 3: Cross multiply
    127,412.72x = 191,118.36 × 44,306
  4. Step 4: Simplify right side
    127,412.72x = 8,467,690,058.16
  5. Step 5: Solve for x
    x = 8,467,690,058.16/127,412.72
  6. Step 6: Final answer
    x = 66,458.75

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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.