Home / 102,210.39-153,346.92-52,325.83

Finding the Fourth Proportional to 102,210.39, 153,346.92 and 52,325.83

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Solution

The fourth proportional to 102,210.39, 153,346.92 and 52,325.83 is: 78,504.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,210.39 : 153,346.92 = 52,325.83 : x
  2. Step 2: Convert to fraction form
    102,210.39/153,346.92 = 52,325.83/x
  3. Step 3: Cross multiply
    102,210.39x = 153,346.92 × 52,325.83
  4. Step 4: Simplify right side
    102,210.39x = 8,024,004,866.94
  5. Step 5: Solve for x
    x = 8,024,004,866.94/102,210.39
  6. Step 6: Final answer
    x = 78,504.79

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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.