Home / 165,612.13-248,422.28-60,431.06

Finding the Fourth Proportional to 165,612.13, 248,422.28 and 60,431.06

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Solution

The fourth proportional to 165,612.13, 248,422.28 and 60,431.06 is: 90,648.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,612.13 : 248,422.28 = 60,431.06 : x
  2. Step 2: Convert to fraction form
    165,612.13/248,422.28 = 60,431.06/x
  3. Step 3: Cross multiply
    165,612.13x = 248,422.28 × 60,431.06
  4. Step 4: Simplify right side
    165,612.13x = 15,012,422,026.92
  5. Step 5: Solve for x
    x = 15,012,422,026.92/165,612.13
  6. Step 6: Final answer
    x = 90,648.08

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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.