Home / 168,889.13-233,061.75-100,890.85

Finding the Fourth Proportional to 168,889.13, 233,061.75 and 100,890.85

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Solution

The fourth proportional to 168,889.13, 233,061.75 and 100,890.85 is: 139,226.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,889.13 : 233,061.75 = 100,890.85 : x
  2. Step 2: Convert to fraction form
    168,889.13/233,061.75 = 100,890.85/x
  3. Step 3: Cross multiply
    168,889.13x = 233,061.75 × 100,890.85
  4. Step 4: Simplify right side
    168,889.13x = 23,513,798,059.99
  5. Step 5: Solve for x
    x = 23,513,798,059.99/168,889.13
  6. Step 6: Final answer
    x = 139,226.24

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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.