Home / 357,510.24-536,265-91,270.80

Finding the Fourth Proportional to 357,510.24, 536,265 and 91,270.80

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Solution

The fourth proportional to 357,510.24, 536,265 and 91,270.80 is: 136,906.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,510.24 : 536,265 = 91,270.80 : x
  2. Step 2: Convert to fraction form
    357,510.24/536,265 = 91,270.80/x
  3. Step 3: Cross multiply
    357,510.24x = 536,265 × 91,270.80
  4. Step 4: Simplify right side
    357,510.24x = 48,945,335,562
  5. Step 5: Solve for x
    x = 48,945,335,562/357,510.24
  6. Step 6: Final answer
    x = 136,906.11

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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.