Home / 200,031.04-276,042.82-109,387.08

Finding the Fourth Proportional to 200,031.04, 276,042.82 and 109,387.08

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Solution

The fourth proportional to 200,031.04, 276,042.82 and 109,387.08 is: 150,954.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,031.04 : 276,042.82 = 109,387.08 : x
  2. Step 2: Convert to fraction form
    200,031.04/276,042.82 = 109,387.08/x
  3. Step 3: Cross multiply
    200,031.04x = 276,042.82 × 109,387.08
  4. Step 4: Simplify right side
    200,031.04x = 30,195,518,034.77
  5. Step 5: Solve for x
    x = 30,195,518,034.77/200,031.04
  6. Step 6: Final answer
    x = 150,954.16

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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.