Home / 342,949.19-473,269.79-189,997.34

Finding the Fourth Proportional to 342,949.19, 473,269.79 and 189,997.34

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Solution

The fourth proportional to 342,949.19, 473,269.79 and 189,997.34 is: 262,196.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,949.19 : 473,269.79 = 189,997.34 : x
  2. Step 2: Convert to fraction form
    342,949.19/473,269.79 = 189,997.34/x
  3. Step 3: Cross multiply
    342,949.19x = 473,269.79 × 189,997.34
  4. Step 4: Simplify right side
    342,949.19x = 89,919,997,886.02
  5. Step 5: Solve for x
    x = 89,919,997,886.02/342,949.19
  6. Step 6: Final answer
    x = 262,196.27

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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.