Home / 207,828.70-286,803.44-112,335.40

Finding the Fourth Proportional to 207,828.70, 286,803.44 and 112,335.40

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Solution

The fourth proportional to 207,828.70, 286,803.44 and 112,335.40 is: 155,022.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,828.70 : 286,803.44 = 112,335.40 : x
  2. Step 2: Convert to fraction form
    207,828.70/286,803.44 = 112,335.40/x
  3. Step 3: Cross multiply
    207,828.70x = 286,803.44 × 112,335.40
  4. Step 4: Simplify right side
    207,828.70x = 32,218,179,153.78
  5. Step 5: Solve for x
    x = 32,218,179,153.78/207,828.70
  6. Step 6: Final answer
    x = 155,022.76

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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.