Home / 117,619.16-162,316.17-63,905.22

Finding the Fourth Proportional to 117,619.16, 162,316.17 and 63,905.22

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Solution

The fourth proportional to 117,619.16, 162,316.17 and 63,905.22 is: 88,190.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,619.16 : 162,316.17 = 63,905.22 : x
  2. Step 2: Convert to fraction form
    117,619.16/162,316.17 = 63,905.22/x
  3. Step 3: Cross multiply
    117,619.16x = 162,316.17 × 63,905.22
  4. Step 4: Simplify right side
    117,619.16x = 10,372,850,553.41
  5. Step 5: Solve for x
    x = 10,372,850,553.41/117,619.16
  6. Step 6: Final answer
    x = 88,190.15

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1.5x scale

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.