Home / 219,740.15-329,595.51-99,768.62

Finding the Fourth Proportional to 219,740.15, 329,595.51 and 99,768.62

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Solution

The fourth proportional to 219,740.15, 329,595.51 and 99,768.62 is: 149,646.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,740.15 : 329,595.51 = 99,768.62 : x
  2. Step 2: Convert to fraction form
    219,740.15/329,595.51 = 99,768.62/x
  3. Step 3: Cross multiply
    219,740.15x = 329,595.51 × 99,768.62
  4. Step 4: Simplify right side
    219,740.15x = 32,883,289,190.90
  5. Step 5: Solve for x
    x = 32,883,289,190.90/219,740.15
  6. Step 6: Final answer
    x = 149,646.25

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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.