Home / 357,123.74-492,829.31-195,981.53

Finding the Fourth Proportional to 357,123.74, 492,829.31 and 195,981.53

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Solution

The fourth proportional to 357,123.74, 492,829.31 and 195,981.53 is: 270,453.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,123.74 : 492,829.31 = 195,981.53 : x
  2. Step 2: Convert to fraction form
    357,123.74/492,829.31 = 195,981.53/x
  3. Step 3: Cross multiply
    357,123.74x = 492,829.31 × 195,981.53
  4. Step 4: Simplify right side
    357,123.74x = 96,585,440,228.45
  5. Step 5: Solve for x
    x = 96,585,440,228.45/357,123.74
  6. Step 6: Final answer
    x = 270,453.71

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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.