Home / 220,014.10-330,018.36-70,252.49

Finding the Fourth Proportional to 220,014.10, 330,018.36 and 70,252.49

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Solution

The fourth proportional to 220,014.10, 330,018.36 and 70,252.49 is: 105,377.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,014.10 : 330,018.36 = 70,252.49 : x
  2. Step 2: Convert to fraction form
    220,014.10/330,018.36 = 70,252.49/x
  3. Step 3: Cross multiply
    220,014.10x = 330,018.36 × 70,252.49
  4. Step 4: Simplify right side
    220,014.10x = 23,184,612,360.76
  5. Step 5: Solve for x
    x = 23,184,612,360.76/220,014.10
  6. Step 6: Final answer
    x = 105,377.85

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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.