Home / 178,976.79-246,981.33-98,399.51

Finding the Fourth Proportional to 178,976.79, 246,981.33 and 98,399.51

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Solution

The fourth proportional to 178,976.79, 246,981.33 and 98,399.51 is: 135,787.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,976.79 : 246,981.33 = 98,399.51 : x
  2. Step 2: Convert to fraction form
    178,976.79/246,981.33 = 98,399.51/x
  3. Step 3: Cross multiply
    178,976.79x = 246,981.33 × 98,399.51
  4. Step 4: Simplify right side
    178,976.79x = 24,302,841,265.67
  5. Step 5: Solve for x
    x = 24,302,841,265.67/178,976.79
  6. Step 6: Final answer
    x = 135,787.67

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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.