Home / 147,366.03-203,365.12-80,298.03

Finding the Fourth Proportional to 147,366.03, 203,365.12 and 80,298.03

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Solution

The fourth proportional to 147,366.03, 203,365.12 and 80,298.03 is: 110,811.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,366.03 : 203,365.12 = 80,298.03 : x
  2. Step 2: Convert to fraction form
    147,366.03/203,365.12 = 80,298.03/x
  3. Step 3: Cross multiply
    147,366.03x = 203,365.12 × 80,298.03
  4. Step 4: Simplify right side
    147,366.03x = 16,329,818,506.71
  5. Step 5: Solve for x
    x = 16,329,818,506.71/147,366.03
  6. Step 6: Final answer
    x = 110,811.28

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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.