Home / 198,737.34-274,176.60-112,678.20

Finding the Fourth Proportional to 198,737.34, 274,176.60 and 112,678.20

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Solution

The fourth proportional to 198,737.34, 274,176.60 and 112,678.20 is: 155,450.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,737.34 : 274,176.60 = 112,678.20 : x
  2. Step 2: Convert to fraction form
    198,737.34/274,176.60 = 112,678.20/x
  3. Step 3: Cross multiply
    198,737.34x = 274,176.60 × 112,678.20
  4. Step 4: Simplify right side
    198,737.34x = 30,893,725,770.12
  5. Step 5: Solve for x
    x = 30,893,725,770.12/198,737.34
  6. Step 6: Final answer
    x = 155,450.03

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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.