Home / 122,258.70-183,388.05-52,145.10

Finding the Fourth Proportional to 122,258.70, 183,388.05 and 52,145.10

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Solution

The fourth proportional to 122,258.70, 183,388.05 and 52,145.10 is: 78,217.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,258.70 : 183,388.05 = 52,145.10 : x
  2. Step 2: Convert to fraction form
    122,258.70/183,388.05 = 52,145.10/x
  3. Step 3: Cross multiply
    122,258.70x = 183,388.05 × 52,145.10
  4. Step 4: Simplify right side
    122,258.70x = 9,562,788,206.06
  5. Step 5: Solve for x
    x = 9,562,788,206.06/122,258.70
  6. Step 6: Final answer
    x = 78,217.65

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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.