Home / 173,313.06-239,160.78-100,709.52

Finding the Fourth Proportional to 173,313.06, 239,160.78 and 100,709.52

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Solution

The fourth proportional to 173,313.06, 239,160.78 and 100,709.52 is: 138,972.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,313.06 : 239,160.78 = 100,709.52 : x
  2. Step 2: Convert to fraction form
    173,313.06/239,160.78 = 100,709.52/x
  3. Step 3: Cross multiply
    173,313.06x = 239,160.78 × 100,709.52
  4. Step 4: Simplify right side
    173,313.06x = 24,085,767,356.63
  5. Step 5: Solve for x
    x = 24,085,767,356.63/173,313.06
  6. Step 6: Final answer
    x = 138,972.60

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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.