Home / 207,895.95-286,896.82-112,402.65

Finding the Fourth Proportional to 207,895.95, 286,896.82 and 112,402.65

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Solution

The fourth proportional to 207,895.95, 286,896.82 and 112,402.65 is: 155,115.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,895.95 : 286,896.82 = 112,402.65 : x
  2. Step 2: Convert to fraction form
    207,895.95/286,896.82 = 112,402.65/x
  3. Step 3: Cross multiply
    207,895.95x = 286,896.82 × 112,402.65
  4. Step 4: Simplify right side
    207,895.95x = 32,247,963,114.04
  5. Step 5: Solve for x
    x = 32,247,963,114.04/207,895.95
  6. Step 6: Final answer
    x = 155,115.88

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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.