Home / 219,753.61-329,680.13-70,002.43

Finding the Fourth Proportional to 219,753.61, 329,680.13 and 70,002.43

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Solution

The fourth proportional to 219,753.61, 329,680.13 and 70,002.43 is: 105,019.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,753.61 : 329,680.13 = 70,002.43 : x
  2. Step 2: Convert to fraction form
    219,753.61/329,680.13 = 70,002.43/x
  3. Step 3: Cross multiply
    219,753.61x = 329,680.13 × 70,002.43
  4. Step 4: Simplify right side
    219,753.61x = 23,078,409,048.50
  5. Step 5: Solve for x
    x = 23,078,409,048.50/219,753.61
  6. Step 6: Final answer
    x = 105,019.48

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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.