Home / 165,723.12-248,613.90-60,688.80

Finding the Fourth Proportional to 165,723.12, 248,613.90 and 60,688.80

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Solution

The fourth proportional to 165,723.12, 248,613.90 and 60,688.80 is: 91,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,723.12 : 248,613.90 = 60,688.80 : x
  2. Step 2: Convert to fraction form
    165,723.12/248,613.90 = 60,688.80/x
  3. Step 3: Cross multiply
    165,723.12x = 248,613.90 × 60,688.80
  4. Step 4: Simplify right side
    165,723.12x = 15,088,079,254.32
  5. Step 5: Solve for x
    x = 15,088,079,254.32/165,723.12
  6. Step 6: Final answer
    x = 91,043.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.