Home / 200,637.28-276,884.58-113,415.36

Finding the Fourth Proportional to 200,637.28, 276,884.58 and 113,415.36

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Solution

The fourth proportional to 200,637.28, 276,884.58 and 113,415.36 is: 156,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,637.28 : 276,884.58 = 113,415.36 : x
  2. Step 2: Convert to fraction form
    200,637.28/276,884.58 = 113,415.36/x
  3. Step 3: Cross multiply
    200,637.28x = 276,884.58 × 113,415.36
  4. Step 4: Simplify right side
    200,637.28x = 31,402,964,319.15
  5. Step 5: Solve for x
    x = 31,402,964,319.15/200,637.28
  6. Step 6: Final answer
    x = 156,516.10

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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.