Home / 147,351.84-203,418.24-102,064.32

Finding the Fourth Proportional to 147,351.84, 203,418.24 and 102,064.32

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Solution

The fourth proportional to 147,351.84, 203,418.24 and 102,064.32 is: 140,899.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,351.84 : 203,418.24 = 102,064.32 : x
  2. Step 2: Convert to fraction form
    147,351.84/203,418.24 = 102,064.32/x
  3. Step 3: Cross multiply
    147,351.84x = 203,418.24 × 102,064.32
  4. Step 4: Simplify right side
    147,351.84x = 20,761,744,341.20
  5. Step 5: Solve for x
    x = 20,761,744,341.20/147,351.84
  6. Step 6: Final answer
    x = 140,899.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.