Home / 198,331.20-297,496.80-161,006.40

Finding the Fourth Proportional to 198,331.20, 297,496.80 and 161,006.40

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Solution

The fourth proportional to 198,331.20, 297,496.80 and 161,006.40 is: 241,509.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,331.20 : 297,496.80 = 161,006.40 : x
  2. Step 2: Convert to fraction form
    198,331.20/297,496.80 = 161,006.40/x
  3. Step 3: Cross multiply
    198,331.20x = 297,496.80 × 161,006.40
  4. Step 4: Simplify right side
    198,331.20x = 47,898,888,779.52
  5. Step 5: Solve for x
    x = 47,898,888,779.52/198,331.20
  6. Step 6: Final answer
    x = 241,509.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.