Home / 198,900.02-274,583.72-153,476.03

Finding the Fourth Proportional to 198,900.02, 274,583.72 and 153,476.03

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Solution

The fourth proportional to 198,900.02, 274,583.72 and 153,476.03 is: 211,875.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,900.02 : 274,583.72 = 153,476.03 : x
  2. Step 2: Convert to fraction form
    198,900.02/274,583.72 = 153,476.03/x
  3. Step 3: Cross multiply
    198,900.02x = 274,583.72 × 153,476.03
  4. Step 4: Simplify right side
    198,900.02x = 42,142,018,480.85
  5. Step 5: Solve for x
    x = 42,142,018,480.85/198,900.02
  6. Step 6: Final answer
    x = 211,875.39

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1.5x scale

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.