Home / 147,933.23-221,834.23-91,771.07

Finding the Fourth Proportional to 147,933.23, 221,834.23 and 91,771.07

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Solution

The fourth proportional to 147,933.23, 221,834.23 and 91,771.07 is: 137,615.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,933.23 : 221,834.23 = 91,771.07 : x
  2. Step 2: Convert to fraction form
    147,933.23/221,834.23 = 91,771.07/x
  3. Step 3: Cross multiply
    147,933.23x = 221,834.23 × 91,771.07
  4. Step 4: Simplify right side
    147,933.23x = 20,357,963,311.13
  5. Step 5: Solve for x
    x = 20,357,963,311.13/147,933.23
  6. Step 6: Final answer
    x = 137,615.90

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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.