Home / 114,110.91-170,330.31-100,644.05

Finding the Fourth Proportional to 114,110.91, 170,330.31 and 100,644.05

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Solution

The fourth proportional to 114,110.91, 170,330.31 and 100,644.05 is: 150,228.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,110.91 : 170,330.31 = 100,644.05 : x
  2. Step 2: Convert to fraction form
    114,110.91/170,330.31 = 100,644.05/x
  3. Step 3: Cross multiply
    114,110.91x = 170,330.31 × 100,644.05
  4. Step 4: Simplify right side
    114,110.91x = 17,142,732,661.98
  5. Step 5: Solve for x
    x = 17,142,732,661.98/114,110.91
  6. Step 6: Final answer
    x = 150,228.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.