Home / 207,669.45-286,583.67-112,176.12

Finding the Fourth Proportional to 207,669.45, 286,583.67 and 112,176.12

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Solution

The fourth proportional to 207,669.45, 286,583.67 and 112,176.12 is: 154,802.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,669.45 : 286,583.67 = 112,176.12 : x
  2. Step 2: Convert to fraction form
    207,669.45/286,583.67 = 112,176.12/x
  3. Step 3: Cross multiply
    207,669.45x = 286,583.67 × 112,176.12
  4. Step 4: Simplify right side
    207,669.45x = 32,147,844,155.96
  5. Step 5: Solve for x
    x = 32,147,844,155.96/207,669.45
  6. Step 6: Final answer
    x = 154,802.95

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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.