Home / 181,228.10-250,095.06-100,653.57

Finding the Fourth Proportional to 181,228.10, 250,095.06 and 100,653.57

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Solution

The fourth proportional to 181,228.10, 250,095.06 and 100,653.57 is: 138,902.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,228.10 : 250,095.06 = 100,653.57 : x
  2. Step 2: Convert to fraction form
    181,228.10/250,095.06 = 100,653.57/x
  3. Step 3: Cross multiply
    181,228.10x = 250,095.06 × 100,653.57
  4. Step 4: Simplify right side
    181,228.10x = 25,172,960,628.36
  5. Step 5: Solve for x
    x = 25,172,960,628.36/181,228.10
  6. Step 6: Final answer
    x = 138,902.09

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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.