Home / 205,331.51-283,354.49-114,688.76

Finding the Fourth Proportional to 205,331.51, 283,354.49 and 114,688.76

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Solution

The fourth proportional to 205,331.51, 283,354.49 and 114,688.76 is: 158,268.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,331.51 : 283,354.49 = 114,688.76 : x
  2. Step 2: Convert to fraction form
    205,331.51/283,354.49 = 114,688.76/x
  3. Step 3: Cross multiply
    205,331.51x = 283,354.49 × 114,688.76
  4. Step 4: Simplify right side
    205,331.51x = 32,497,573,968.48
  5. Step 5: Solve for x
    x = 32,497,573,968.48/205,331.51
  6. Step 6: Final answer
    x = 158,268.81

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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.