Home / 147,792.52-203,880.61-87,333.92

Finding the Fourth Proportional to 147,792.52, 203,880.61 and 87,333.92

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Solution

The fourth proportional to 147,792.52, 203,880.61 and 87,333.92 is: 120,477.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,792.52 : 203,880.61 = 87,333.92 : x
  2. Step 2: Convert to fraction form
    147,792.52/203,880.61 = 87,333.92/x
  3. Step 3: Cross multiply
    147,792.52x = 203,880.61 × 87,333.92
  4. Step 4: Simplify right side
    147,792.52x = 17,805,692,883.29
  5. Step 5: Solve for x
    x = 17,805,692,883.29/147,792.52
  6. Step 6: Final answer
    x = 120,477.63

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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.