Home / 243,987.14-336,625.53-136,540.10

Finding the Fourth Proportional to 243,987.14, 336,625.53 and 136,540.10

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Solution

The fourth proportional to 243,987.14, 336,625.53 and 136,540.10 is: 188,382.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,987.14 : 336,625.53 = 136,540.10 : x
  2. Step 2: Convert to fraction form
    243,987.14/336,625.53 = 136,540.10/x
  3. Step 3: Cross multiply
    243,987.14x = 336,625.53 × 136,540.10
  4. Step 4: Simplify right side
    243,987.14x = 45,962,883,528.75
  5. Step 5: Solve for x
    x = 45,962,883,528.75/243,987.14
  6. Step 6: Final answer
    x = 188,382.40

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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.