Home / 147,004.39-220,331.62-102,389.59

Finding the Fourth Proportional to 147,004.39, 220,331.62 and 102,389.59

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Solution

The fourth proportional to 147,004.39, 220,331.62 and 102,389.59 is: 153,462.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,004.39 : 220,331.62 = 102,389.59 : x
  2. Step 2: Convert to fraction form
    147,004.39/220,331.62 = 102,389.59/x
  3. Step 3: Cross multiply
    147,004.39x = 220,331.62 × 102,389.59
  4. Step 4: Simplify right side
    147,004.39x = 22,559,664,235.84
  5. Step 5: Solve for x
    x = 22,559,664,235.84/147,004.39
  6. Step 6: Final answer
    x = 153,462.52

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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.