Home / 143,233.74-197,573.04-102,322.26

Finding the Fourth Proportional to 143,233.74, 197,573.04 and 102,322.26

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Solution

The fourth proportional to 143,233.74, 197,573.04 and 102,322.26 is: 141,140.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,233.74 : 197,573.04 = 102,322.26 : x
  2. Step 2: Convert to fraction form
    143,233.74/197,573.04 = 102,322.26/x
  3. Step 3: Cross multiply
    143,233.74x = 197,573.04 × 102,322.26
  4. Step 4: Simplify right side
    143,233.74x = 20,216,119,967.87
  5. Step 5: Solve for x
    x = 20,216,119,967.87/143,233.74
  6. Step 6: Final answer
    x = 141,140.77

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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.