Home / 198,950.16-274,270.08-142,263.12

Finding the Fourth Proportional to 198,950.16, 274,270.08 and 142,263.12

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Solution

The fourth proportional to 198,950.16, 274,270.08 and 142,263.12 is: 196,122.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,950.16 : 274,270.08 = 142,263.12 : x
  2. Step 2: Convert to fraction form
    198,950.16/274,270.08 = 142,263.12/x
  3. Step 3: Cross multiply
    198,950.16x = 274,270.08 × 142,263.12
  4. Step 4: Simplify right side
    198,950.16x = 39,018,517,303.45
  5. Step 5: Solve for x
    x = 39,018,517,303.45/198,950.16
  6. Step 6: Final answer
    x = 196,122.07

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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.