Home / 103,220.16-154,845.36-36,641.04

Finding the Fourth Proportional to 103,220.16, 154,845.36 and 36,641.04

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Solution

The fourth proportional to 103,220.16, 154,845.36 and 36,641.04 is: 54,966.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,220.16 : 154,845.36 = 36,641.04 : x
  2. Step 2: Convert to fraction form
    103,220.16/154,845.36 = 36,641.04/x
  3. Step 3: Cross multiply
    103,220.16x = 154,845.36 × 36,641.04
  4. Step 4: Simplify right side
    103,220.16x = 5,673,695,029.57
  5. Step 5: Solve for x
    x = 5,673,695,029.57/103,220.16
  6. Step 6: Final answer
    x = 54,966.93

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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.