Home / 200,387.43-276,558.57-123,957.23

Finding the Fourth Proportional to 200,387.43, 276,558.57 and 123,957.23

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Solution

The fourth proportional to 200,387.43, 276,558.57 and 123,957.23 is: 171,075.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,387.43 : 276,558.57 = 123,957.23 : x
  2. Step 2: Convert to fraction form
    200,387.43/276,558.57 = 123,957.23/x
  3. Step 3: Cross multiply
    200,387.43x = 276,558.57 × 123,957.23
  4. Step 4: Simplify right side
    200,387.43x = 34,281,432,887.17
  5. Step 5: Solve for x
    x = 34,281,432,887.17/200,387.43
  6. Step 6: Final answer
    x = 171,075.77

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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.