Home / 243,987.04-336,708.66-136,575.64

Finding the Fourth Proportional to 243,987.04, 336,708.66 and 136,575.64

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Solution

The fourth proportional to 243,987.04, 336,708.66 and 136,575.64 is: 188,478.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,987.04 : 336,708.66 = 136,575.64 : x
  2. Step 2: Convert to fraction form
    243,987.04/336,708.66 = 136,575.64/x
  3. Step 3: Cross multiply
    243,987.04x = 336,708.66 × 136,575.64
  4. Step 4: Simplify right side
    243,987.04x = 45,986,200,733.04
  5. Step 5: Solve for x
    x = 45,986,200,733.04/243,987.04
  6. Step 6: Final answer
    x = 188,478.05

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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.