Home / 219,875.10-329,812.65-149,016.30

Finding the Fourth Proportional to 219,875.10, 329,812.65 and 149,016.30

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Solution

The fourth proportional to 219,875.10, 329,812.65 and 149,016.30 is: 223,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,875.10 : 329,812.65 = 149,016.30 : x
  2. Step 2: Convert to fraction form
    219,875.10/329,812.65 = 149,016.30/x
  3. Step 3: Cross multiply
    219,875.10x = 329,812.65 × 149,016.30
  4. Step 4: Simplify right side
    219,875.10x = 49,147,460,796.20
  5. Step 5: Solve for x
    x = 49,147,460,796.20/219,875.10
  6. Step 6: Final answer
    x = 223,524.45

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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.