Home / 118,331.66-163,299.03-64,617.32

Finding the Fourth Proportional to 118,331.66, 163,299.03 and 64,617.32

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Solution

The fourth proportional to 118,331.66, 163,299.03 and 64,617.32 is: 89,172.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,331.66 : 163,299.03 = 64,617.32 : x
  2. Step 2: Convert to fraction form
    118,331.66/163,299.03 = 64,617.32/x
  3. Step 3: Cross multiply
    118,331.66x = 163,299.03 × 64,617.32
  4. Step 4: Simplify right side
    118,331.66x = 10,551,945,677.20
  5. Step 5: Solve for x
    x = 10,551,945,677.20/118,331.66
  6. Step 6: Final answer
    x = 89,172.63

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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.