Home / 198,892.36-274,573.02-153,468.28

Finding the Fourth Proportional to 198,892.36, 274,573.02 and 153,468.28

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Solution

The fourth proportional to 198,892.36, 274,573.02 and 153,468.28 is: 211,864.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,892.36 : 274,573.02 = 153,468.28 : x
  2. Step 2: Convert to fraction form
    198,892.36/274,573.02 = 153,468.28/x
  3. Step 3: Cross multiply
    198,892.36x = 274,573.02 × 153,468.28
  4. Step 4: Simplify right side
    198,892.36x = 42,138,249,113.81
  5. Step 5: Solve for x
    x = 42,138,249,113.81/198,892.36
  6. Step 6: Final answer
    x = 211,864.59

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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.