Home / 198,862.84-274,368.92-112,807.64

Finding the Fourth Proportional to 198,862.84, 274,368.92 and 112,807.64

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Solution

The fourth proportional to 198,862.84, 274,368.92 and 112,807.64 is: 155,639.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,862.84 : 274,368.92 = 112,807.64 : x
  2. Step 2: Convert to fraction form
    198,862.84/274,368.92 = 112,807.64/x
  3. Step 3: Cross multiply
    198,862.84x = 274,368.92 × 112,807.64
  4. Step 4: Simplify right side
    198,862.84x = 30,950,910,354.55
  5. Step 5: Solve for x
    x = 30,950,910,354.55/198,862.84
  6. Step 6: Final answer
    x = 155,639.49

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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.