Home / 198,116.16-297,174.44-70,127.64

Finding the Fourth Proportional to 198,116.16, 297,174.44 and 70,127.64

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Solution

The fourth proportional to 198,116.16, 297,174.44 and 70,127.64 is: 105,191.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,116.16 : 297,174.44 = 70,127.64 : x
  2. Step 2: Convert to fraction form
    198,116.16/297,174.44 = 70,127.64/x
  3. Step 3: Cross multiply
    198,116.16x = 297,174.44 × 70,127.64
  4. Step 4: Simplify right side
    198,116.16x = 20,840,142,145.52
  5. Step 5: Solve for x
    x = 20,840,142,145.52/198,116.16
  6. Step 6: Final answer
    x = 105,191.53

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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.