Home / 318,975.22-440,186.90-175,734.92

Finding the Fourth Proportional to 318,975.22, 440,186.90 and 175,734.92

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Solution

The fourth proportional to 318,975.22, 440,186.90 and 175,734.92 is: 242,514.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,975.22 : 440,186.90 = 175,734.92 : x
  2. Step 2: Convert to fraction form
    318,975.22/440,186.90 = 175,734.92/x
  3. Step 3: Cross multiply
    318,975.22x = 440,186.90 × 175,734.92
  4. Step 4: Simplify right side
    318,975.22x = 77,356,209,656.55
  5. Step 5: Solve for x
    x = 77,356,209,656.55/318,975.22
  6. Step 6: Final answer
    x = 242,514.79

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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.