Home / 357,121.17-492,834.65-195,966.81

Finding the Fourth Proportional to 357,121.17, 492,834.65 and 195,966.81

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Solution

The fourth proportional to 357,121.17, 492,834.65 and 195,966.81 is: 270,438.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,121.17 : 492,834.65 = 195,966.81 : x
  2. Step 2: Convert to fraction form
    357,121.17/492,834.65 = 195,966.81/x
  3. Step 3: Cross multiply
    357,121.17x = 492,834.65 × 195,966.81
  4. Step 4: Simplify right side
    357,121.17x = 96,579,233,238.13
  5. Step 5: Solve for x
    x = 96,579,233,238.13/357,121.17
  6. Step 6: Final answer
    x = 270,438.28

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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.