Home / 199,714.14-275,607.39-113,668.91

Finding the Fourth Proportional to 199,714.14, 275,607.39 and 113,668.91

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Solution

The fourth proportional to 199,714.14, 275,607.39 and 113,668.91 is: 156,864.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,714.14 : 275,607.39 = 113,668.91 : x
  2. Step 2: Convert to fraction form
    199,714.14/275,607.39 = 113,668.91/x
  3. Step 3: Cross multiply
    199,714.14x = 275,607.39 × 113,668.91
  4. Step 4: Simplify right side
    199,714.14x = 31,327,990,231.21
  5. Step 5: Solve for x
    x = 31,327,990,231.21/199,714.14
  6. Step 6: Final answer
    x = 156,864.16

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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.