Home / 192,957.28-289,281.32-91,704.48

Finding the Fourth Proportional to 192,957.28, 289,281.32 and 91,704.48

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Solution

The fourth proportional to 192,957.28, 289,281.32 and 91,704.48 is: 137,483.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,957.28 : 289,281.32 = 91,704.48 : x
  2. Step 2: Convert to fraction form
    192,957.28/289,281.32 = 91,704.48/x
  3. Step 3: Cross multiply
    192,957.28x = 289,281.32 × 91,704.48
  4. Step 4: Simplify right side
    192,957.28x = 26,528,393,024.31
  5. Step 5: Solve for x
    x = 26,528,393,024.31/192,957.28
  6. Step 6: Final answer
    x = 137,483.25

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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.