Home / 198,901.02-274,585.10-153,477.03

Finding the Fourth Proportional to 198,901.02, 274,585.10 and 153,477.03

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Solution

The fourth proportional to 198,901.02, 274,585.10 and 153,477.03 is: 211,876.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,901.02 : 274,585.10 = 153,477.03 : x
  2. Step 2: Convert to fraction form
    198,901.02/274,585.10 = 153,477.03/x
  3. Step 3: Cross multiply
    198,901.02x = 274,585.10 × 153,477.03
  4. Step 4: Simplify right side
    198,901.02x = 42,142,504,862.87
  5. Step 5: Solve for x
    x = 42,142,504,862.87/198,901.02
  6. Step 6: Final answer
    x = 211,876.77

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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.