Home / 295,023.05-407,196.27-187,572.09

Finding the Fourth Proportional to 295,023.05, 407,196.27 and 187,572.09

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Solution

The fourth proportional to 295,023.05, 407,196.27 and 187,572.09 is: 258,890.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,023.05 : 407,196.27 = 187,572.09 : x
  2. Step 2: Convert to fraction form
    295,023.05/407,196.27 = 187,572.09/x
  3. Step 3: Cross multiply
    295,023.05x = 407,196.27 × 187,572.09
  4. Step 4: Simplify right side
    295,023.05x = 76,378,655,404.10
  5. Step 5: Solve for x
    x = 76,378,655,404.10/295,023.05
  6. Step 6: Final answer
    x = 258,890.47

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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.