Home / 205,192.05-283,282.82-156,411.01

Finding the Fourth Proportional to 205,192.05, 283,282.82 and 156,411.01

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Solution

The fourth proportional to 205,192.05, 283,282.82 and 156,411.01 is: 215,936.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,192.05 : 283,282.82 = 156,411.01 : x
  2. Step 2: Convert to fraction form
    205,192.05/283,282.82 = 156,411.01/x
  3. Step 3: Cross multiply
    205,192.05x = 283,282.82 × 156,411.01
  4. Step 4: Simplify right side
    205,192.05x = 44,308,551,209.79
  5. Step 5: Solve for x
    x = 44,308,551,209.79/205,192.05
  6. Step 6: Final answer
    x = 215,936.98

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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.