Home / 169,803.20-234,313.16-93,321.45

Finding the Fourth Proportional to 169,803.20, 234,313.16 and 93,321.45

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Solution

The fourth proportional to 169,803.20, 234,313.16 and 93,321.45 is: 128,775.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,803.20 : 234,313.16 = 93,321.45 : x
  2. Step 2: Convert to fraction form
    169,803.20/234,313.16 = 93,321.45/x
  3. Step 3: Cross multiply
    169,803.20x = 234,313.16 × 93,321.45
  4. Step 4: Simplify right side
    169,803.20x = 21,866,443,378.67
  5. Step 5: Solve for x
    x = 21,866,443,378.67/169,803.20
  6. Step 6: Final answer
    x = 128,775.21

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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.