Home / 202,214.13-279,080.21-116,172.95

Finding the Fourth Proportional to 202,214.13, 279,080.21 and 116,172.95

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Solution

The fourth proportional to 202,214.13, 279,080.21 and 116,172.95 is: 160,332.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,214.13 : 279,080.21 = 116,172.95 : x
  2. Step 2: Convert to fraction form
    202,214.13/279,080.21 = 116,172.95/x
  3. Step 3: Cross multiply
    202,214.13x = 279,080.21 × 116,172.95
  4. Step 4: Simplify right side
    202,214.13x = 32,421,571,282.32
  5. Step 5: Solve for x
    x = 32,421,571,282.32/202,214.13
  6. Step 6: Final answer
    x = 160,332.87

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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.