Home / 207,606.25-286,496.63-112,112.95

Finding the Fourth Proportional to 207,606.25, 286,496.63 and 112,112.95

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Solution

The fourth proportional to 207,606.25, 286,496.63 and 112,112.95 is: 154,715.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,606.25 : 286,496.63 = 112,112.95 : x
  2. Step 2: Convert to fraction form
    207,606.25/286,496.63 = 112,112.95/x
  3. Step 3: Cross multiply
    207,606.25x = 286,496.63 × 112,112.95
  4. Step 4: Simplify right side
    207,606.25x = 32,119,982,354.36
  5. Step 5: Solve for x
    x = 32,119,982,354.36/207,606.25
  6. Step 6: Final answer
    x = 154,715.87

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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.