Home / 165,812.60-248,816.10-60,642.20

Finding the Fourth Proportional to 165,812.60, 248,816.10 and 60,642.20

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Solution

The fourth proportional to 165,812.60, 248,816.10 and 60,642.20 is: 90,998.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,812.60 : 248,816.10 = 60,642.20 : x
  2. Step 2: Convert to fraction form
    165,812.60/248,816.10 = 60,642.20/x
  3. Step 3: Cross multiply
    165,812.60x = 248,816.10 × 60,642.20
  4. Step 4: Simplify right side
    165,812.60x = 15,088,755,699.42
  5. Step 5: Solve for x
    x = 15,088,755,699.42/165,812.60
  6. Step 6: Final answer
    x = 90,998.85

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1.5x scale

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.