Home / 207,682.11-286,600.95-112,188.51

Finding the Fourth Proportional to 207,682.11, 286,600.95 and 112,188.51

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Solution

The fourth proportional to 207,682.11, 286,600.95 and 112,188.51 is: 154,819.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,682.11 : 286,600.95 = 112,188.51 : x
  2. Step 2: Convert to fraction form
    207,682.11/286,600.95 = 112,188.51/x
  3. Step 3: Cross multiply
    207,682.11x = 286,600.95 × 112,188.51
  4. Step 4: Simplify right side
    207,682.11x = 32,153,333,545.08
  5. Step 5: Solve for x
    x = 32,153,333,545.08/207,682.11
  6. Step 6: Final answer
    x = 154,819.95

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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.