Home / 161,778.22-223,188.18-107,356.06

Finding the Fourth Proportional to 161,778.22, 223,188.18 and 107,356.06

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Solution

The fourth proportional to 161,778.22, 223,188.18 and 107,356.06 is: 148,107.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,778.22 : 223,188.18 = 107,356.06 : x
  2. Step 2: Convert to fraction form
    161,778.22/223,188.18 = 107,356.06/x
  3. Step 3: Cross multiply
    161,778.22x = 223,188.18 × 107,356.06
  4. Step 4: Simplify right side
    161,778.22x = 23,960,602,527.43
  5. Step 5: Solve for x
    x = 23,960,602,527.43/161,778.22
  6. Step 6: Final answer
    x = 148,107.72

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1.5x scale

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.