Home / 357,239.16-492,991.11-196,110.72

Finding the Fourth Proportional to 357,239.16, 492,991.11 and 196,110.72

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Solution

The fourth proportional to 357,239.16, 492,991.11 and 196,110.72 is: 270,633.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,239.16 : 492,991.11 = 196,110.72 : x
  2. Step 2: Convert to fraction form
    357,239.16/492,991.11 = 196,110.72/x
  3. Step 3: Cross multiply
    357,239.16x = 492,991.11 × 196,110.72
  4. Step 4: Simplify right side
    357,239.16x = 96,680,841,535.70
  5. Step 5: Solve for x
    x = 96,680,841,535.70/357,239.16
  6. Step 6: Final answer
    x = 270,633.38

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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.