Home / 151,609.32-209,222.50-84,542.44

Finding the Fourth Proportional to 151,609.32, 209,222.50 and 84,542.44

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Solution

The fourth proportional to 151,609.32, 209,222.50 and 84,542.44 is: 116,669.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,609.32 : 209,222.50 = 84,542.44 : x
  2. Step 2: Convert to fraction form
    151,609.32/209,222.50 = 84,542.44/x
  3. Step 3: Cross multiply
    151,609.32x = 209,222.50 × 84,542.44
  4. Step 4: Simplify right side
    151,609.32x = 17,688,180,652.90
  5. Step 5: Solve for x
    x = 17,688,180,652.90/151,609.32
  6. Step 6: Final answer
    x = 116,669.48

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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.