Home / 143,225.44-197,568.87-89,417.04

Finding the Fourth Proportional to 143,225.44, 197,568.87 and 89,417.04

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Solution

The fourth proportional to 143,225.44, 197,568.87 and 89,417.04 is: 123,344.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,225.44 : 197,568.87 = 89,417.04 : x
  2. Step 2: Convert to fraction form
    143,225.44/197,568.87 = 89,417.04/x
  3. Step 3: Cross multiply
    143,225.44x = 197,568.87 × 89,417.04
  4. Step 4: Simplify right side
    143,225.44x = 17,666,023,775.09
  5. Step 5: Solve for x
    x = 17,666,023,775.09/143,225.44
  6. Step 6: Final answer
    x = 123,344.17

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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.