Home / 117,977.28-162,967.92-94,270.32

Finding the Fourth Proportional to 117,977.28, 162,967.92 and 94,270.32

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Solution

The fourth proportional to 117,977.28, 162,967.92 and 94,270.32 is: 130,220.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,977.28 : 162,967.92 = 94,270.32 : x
  2. Step 2: Convert to fraction form
    117,977.28/162,967.92 = 94,270.32/x
  3. Step 3: Cross multiply
    117,977.28x = 162,967.92 × 94,270.32
  4. Step 4: Simplify right side
    117,977.28x = 15,363,037,968.13
  5. Step 5: Solve for x
    x = 15,363,037,968.13/117,977.28
  6. Step 6: Final answer
    x = 130,220.31

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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.