Home / 104,360.92-143,962.92-74,158.45

Finding the Fourth Proportional to 104,360.92, 143,962.92 and 74,158.45

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Solution

The fourth proportional to 104,360.92, 143,962.92 and 74,158.45 is: 102,299.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,360.92 : 143,962.92 = 74,158.45 : x
  2. Step 2: Convert to fraction form
    104,360.92/143,962.92 = 74,158.45/x
  3. Step 3: Cross multiply
    104,360.92x = 143,962.92 × 74,158.45
  4. Step 4: Simplify right side
    104,360.92x = 10,676,066,644.77
  5. Step 5: Solve for x
    x = 10,676,066,644.77/104,360.92
  6. Step 6: Final answer
    x = 102,299.47

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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.