Home / 177,743.12-245,288.43-106,129.40

Finding the Fourth Proportional to 177,743.12, 245,288.43 and 106,129.40

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Solution

The fourth proportional to 177,743.12, 245,288.43 and 106,129.40 is: 146,460.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,743.12 : 245,288.43 = 106,129.40 : x
  2. Step 2: Convert to fraction form
    177,743.12/245,288.43 = 106,129.40/x
  3. Step 3: Cross multiply
    177,743.12x = 245,288.43 × 106,129.40
  4. Step 4: Simplify right side
    177,743.12x = 26,032,313,902.84
  5. Step 5: Solve for x
    x = 26,032,313,902.84/177,743.12
  6. Step 6: Final answer
    x = 146,460.32

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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.