Home / 243,685.44-336,284.96-136,255.16

Finding the Fourth Proportional to 243,685.44, 336,284.96 and 136,255.16

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Solution

The fourth proportional to 243,685.44, 336,284.96 and 136,255.16 is: 188,031.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,685.44 : 336,284.96 = 136,255.16 : x
  2. Step 2: Convert to fraction form
    243,685.44/336,284.96 = 136,255.16/x
  3. Step 3: Cross multiply
    243,685.44x = 336,284.96 × 136,255.16
  4. Step 4: Simplify right side
    243,685.44x = 45,820,561,030.39
  5. Step 5: Solve for x
    x = 45,820,561,030.39/243,685.44
  6. Step 6: Final answer
    x = 188,031.59

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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.