Home / 165,504.45-248,062.28-76,570.10

Finding the Fourth Proportional to 165,504.45, 248,062.28 and 76,570.10

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Solution

The fourth proportional to 165,504.45, 248,062.28 and 76,570.10 is: 114,765.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,504.45 : 248,062.28 = 76,570.10 : x
  2. Step 2: Convert to fraction form
    165,504.45/248,062.28 = 76,570.10/x
  3. Step 3: Cross multiply
    165,504.45x = 248,062.28 × 76,570.10
  4. Step 4: Simplify right side
    165,504.45x = 18,994,151,962.67
  5. Step 5: Solve for x
    x = 18,994,151,962.67/165,504.45
  6. Step 6: Final answer
    x = 114,765.20

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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.