Home / 167,838.99-231,622.83-103,345.45

Finding the Fourth Proportional to 167,838.99, 231,622.83 and 103,345.45

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Solution

The fourth proportional to 167,838.99, 231,622.83 and 103,345.45 is: 142,619.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,838.99 : 231,622.83 = 103,345.45 : x
  2. Step 2: Convert to fraction form
    167,838.99/231,622.83 = 103,345.45/x
  3. Step 3: Cross multiply
    167,838.99x = 231,622.83 × 103,345.45
  4. Step 4: Simplify right side
    167,838.99x = 23,937,165,596.62
  5. Step 5: Solve for x
    x = 23,937,165,596.62/167,838.99
  6. Step 6: Final answer
    x = 142,619.81

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1.5x scale

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.