Home / 102,220.79-153,355.88-32,100.10

Finding the Fourth Proportional to 102,220.79, 153,355.88 and 32,100.10

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Solution

The fourth proportional to 102,220.79, 153,355.88 and 32,100.10 is: 48,157.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,220.79 : 153,355.88 = 32,100.10 : x
  2. Step 2: Convert to fraction form
    102,220.79/153,355.88 = 32,100.10/x
  3. Step 3: Cross multiply
    102,220.79x = 153,355.88 × 32,100.10
  4. Step 4: Simplify right side
    102,220.79x = 4,922,738,780.45
  5. Step 5: Solve for x
    x = 4,922,738,780.45/102,220.79
  6. Step 6: Final answer
    x = 48,157.90

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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.