Home / 177,642.36-245,149.20-106,064.28

Finding the Fourth Proportional to 177,642.36, 245,149.20 and 106,064.28

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Solution

The fourth proportional to 177,642.36, 245,149.20 and 106,064.28 is: 146,370.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,642.36 : 245,149.20 = 106,064.28 : x
  2. Step 2: Convert to fraction form
    177,642.36/245,149.20 = 106,064.28/x
  3. Step 3: Cross multiply
    177,642.36x = 245,149.20 × 106,064.28
  4. Step 4: Simplify right side
    177,642.36x = 26,001,573,390.58
  5. Step 5: Solve for x
    x = 26,001,573,390.58/177,642.36
  6. Step 6: Final answer
    x = 146,370.34

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.