Home / 198,188.00-273,385.07-126,487.21

Finding the Fourth Proportional to 198,188.00, 273,385.07 and 126,487.21

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Solution

The fourth proportional to 198,188.00, 273,385.07 and 126,487.21 is: 174,479.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,188.00 : 273,385.07 = 126,487.21 : x
  2. Step 2: Convert to fraction form
    198,188.00/273,385.07 = 126,487.21/x
  3. Step 3: Cross multiply
    198,188.00x = 273,385.07 × 126,487.21
  4. Step 4: Simplify right side
    198,188.00x = 34,579,714,075.23
  5. Step 5: Solve for x
    x = 34,579,714,075.23/198,188.00
  6. Step 6: Final answer
    x = 174,479.35

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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.