Home / 220,348.92-330,531.18-70,569.72

Finding the Fourth Proportional to 220,348.92, 330,531.18 and 70,569.72

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Solution

The fourth proportional to 220,348.92, 330,531.18 and 70,569.72 is: 105,857.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,348.92 : 330,531.18 = 70,569.72 : x
  2. Step 2: Convert to fraction form
    220,348.92/330,531.18 = 70,569.72/x
  3. Step 3: Cross multiply
    220,348.92x = 330,531.18 × 70,569.72
  4. Step 4: Simplify right side
    220,348.92x = 23,325,492,823.87
  5. Step 5: Solve for x
    x = 23,325,492,823.87/220,348.92
  6. Step 6: Final answer
    x = 105,857.08

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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.