Home / 103,135.60-154,678.83-58,176.28

Finding the Fourth Proportional to 103,135.60, 154,678.83 and 58,176.28

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Solution

The fourth proportional to 103,135.60, 154,678.83 and 58,176.28 is: 87,250.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,135.60 : 154,678.83 = 58,176.28 : x
  2. Step 2: Convert to fraction form
    103,135.60/154,678.83 = 58,176.28/x
  3. Step 3: Cross multiply
    103,135.60x = 154,678.83 × 58,176.28
  4. Step 4: Simplify right side
    103,135.60x = 8,998,638,924.15
  5. Step 5: Solve for x
    x = 8,998,638,924.15/103,135.60
  6. Step 6: Final answer
    x = 87,250.56

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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.