Home / 146,221.05-219,298.77-67,259.46

Finding the Fourth Proportional to 146,221.05, 219,298.77 and 67,259.46

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Solution

The fourth proportional to 146,221.05, 219,298.77 and 67,259.46 is: 100,874.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,221.05 : 219,298.77 = 67,259.46 : x
  2. Step 2: Convert to fraction form
    146,221.05/219,298.77 = 67,259.46/x
  3. Step 3: Cross multiply
    146,221.05x = 219,298.77 × 67,259.46
  4. Step 4: Simplify right side
    146,221.05x = 14,749,916,848.86
  5. Step 5: Solve for x
    x = 14,749,916,848.86/146,221.05
  6. Step 6: Final answer
    x = 100,874.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.