Home / 200,322.13-276,444.56-109,678.11

Finding the Fourth Proportional to 200,322.13, 276,444.56 and 109,678.11

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Solution

The fourth proportional to 200,322.13, 276,444.56 and 109,678.11 is: 151,355.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,322.13 : 276,444.56 = 109,678.11 : x
  2. Step 2: Convert to fraction form
    200,322.13/276,444.56 = 109,678.11/x
  3. Step 3: Cross multiply
    200,322.13x = 276,444.56 × 109,678.11
  4. Step 4: Simplify right side
    200,322.13x = 30,319,916,860.58
  5. Step 5: Solve for x
    x = 30,319,916,860.58/200,322.13
  6. Step 6: Final answer
    x = 151,355.80

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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.