Home / 161,864.37-223,293.45-108,162.60

Finding the Fourth Proportional to 161,864.37, 223,293.45 and 108,162.60

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Solution

The fourth proportional to 161,864.37, 223,293.45 and 108,162.60 is: 149,211.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,864.37 : 223,293.45 = 108,162.60 : x
  2. Step 2: Convert to fraction form
    161,864.37/223,293.45 = 108,162.60/x
  3. Step 3: Cross multiply
    161,864.37x = 223,293.45 × 108,162.60
  4. Step 4: Simplify right side
    161,864.37x = 24,152,000,114.97
  5. Step 5: Solve for x
    x = 24,152,000,114.97/161,864.37
  6. Step 6: Final answer
    x = 149,211.34

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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.