Home / 200,455.16-276,628.23-109,814.40

Finding the Fourth Proportional to 200,455.16, 276,628.23 and 109,814.40

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Solution

The fourth proportional to 200,455.16, 276,628.23 and 109,814.40 is: 151,543.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,455.16 : 276,628.23 = 109,814.40 : x
  2. Step 2: Convert to fraction form
    200,455.16/276,628.23 = 109,814.40/x
  3. Step 3: Cross multiply
    200,455.16x = 276,628.23 × 109,814.40
  4. Step 4: Simplify right side
    200,455.16x = 30,377,762,551.44
  5. Step 5: Solve for x
    x = 30,377,762,551.44/200,455.16
  6. Step 6: Final answer
    x = 151,543.93

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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.