Home / 173,139.78-260,125.86-163,581.24

Finding the Fourth Proportional to 173,139.78, 260,125.86 and 163,581.24

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Solution

The fourth proportional to 173,139.78, 260,125.86 and 163,581.24 is: 245,765.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,139.78 : 260,125.86 = 163,581.24 : x
  2. Step 2: Convert to fraction form
    173,139.78/260,125.86 = 163,581.24/x
  3. Step 3: Cross multiply
    173,139.78x = 260,125.86 × 163,581.24
  4. Step 4: Simplify right side
    173,139.78x = 42,551,710,734.87
  5. Step 5: Solve for x
    x = 42,551,710,734.87/173,139.78
  6. Step 6: Final answer
    x = 245,765.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.