Home / 198,592.15-274,056.05-112,567.39

Finding the Fourth Proportional to 198,592.15, 274,056.05 and 112,567.39

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Solution

The fourth proportional to 198,592.15, 274,056.05 and 112,567.39 is: 155,342.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,592.15 : 274,056.05 = 112,567.39 : x
  2. Step 2: Convert to fraction form
    198,592.15/274,056.05 = 112,567.39/x
  3. Step 3: Cross multiply
    198,592.15x = 274,056.05 × 112,567.39
  4. Step 4: Simplify right side
    198,592.15x = 30,849,774,262.21
  5. Step 5: Solve for x
    x = 30,849,774,262.21/198,592.15
  6. Step 6: Final answer
    x = 155,342.37

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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.