Home / 127,853.90-191,800.56-43,594.36

Finding the Fourth Proportional to 127,853.90, 191,800.56 and 43,594.36

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Solution

The fourth proportional to 127,853.90, 191,800.56 and 43,594.36 is: 65,398.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,853.90 : 191,800.56 = 43,594.36 : x
  2. Step 2: Convert to fraction form
    127,853.90/191,800.56 = 43,594.36/x
  3. Step 3: Cross multiply
    127,853.90x = 191,800.56 × 43,594.36
  4. Step 4: Simplify right side
    127,853.90x = 8,361,421,483.87
  5. Step 5: Solve for x
    x = 8,361,421,483.87/127,853.90
  6. Step 6: Final answer
    x = 65,398.25

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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.