Home / 200,261.16-276,359.04-115,376.40

Finding the Fourth Proportional to 200,261.16, 276,359.04 and 115,376.40

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Solution

The fourth proportional to 200,261.16, 276,359.04 and 115,376.40 is: 159,218.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,261.16 : 276,359.04 = 115,376.40 : x
  2. Step 2: Convert to fraction form
    200,261.16/276,359.04 = 115,376.40/x
  3. Step 3: Cross multiply
    200,261.16x = 276,359.04 × 115,376.40
  4. Step 4: Simplify right side
    200,261.16x = 31,885,311,142.66
  5. Step 5: Solve for x
    x = 31,885,311,142.66/200,261.16
  6. Step 6: Final answer
    x = 159,218.65

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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.