Home / 198,712.02-274,126.22-118,082.49

Finding the Fourth Proportional to 198,712.02, 274,126.22 and 118,082.49

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Solution

The fourth proportional to 198,712.02, 274,126.22 and 118,082.49 is: 162,896.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,712.02 : 274,126.22 = 118,082.49 : x
  2. Step 2: Convert to fraction form
    198,712.02/274,126.22 = 118,082.49/x
  3. Step 3: Cross multiply
    198,712.02x = 274,126.22 × 118,082.49
  4. Step 4: Simplify right side
    198,712.02x = 32,369,506,631.89
  5. Step 5: Solve for x
    x = 32,369,506,631.89/198,712.02
  6. Step 6: Final answer
    x = 162,896.57

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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.