Home / 177,821.16-245,409.56-106,199.64

Finding the Fourth Proportional to 177,821.16, 245,409.56 and 106,199.64

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Solution

The fourth proportional to 177,821.16, 245,409.56 and 106,199.64 is: 146,565.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,821.16 : 245,409.56 = 106,199.64 : x
  2. Step 2: Convert to fraction form
    177,821.16/245,409.56 = 106,199.64/x
  3. Step 3: Cross multiply
    177,821.16x = 245,409.56 × 106,199.64
  4. Step 4: Simplify right side
    177,821.16x = 26,062,406,393.56
  5. Step 5: Solve for x
    x = 26,062,406,393.56/177,821.16
  6. Step 6: Final answer
    x = 146,565.27

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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.