Home / 118,244.75-163,181.21-64,533.21

Finding the Fourth Proportional to 118,244.75, 163,181.21 and 64,533.21

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Solution

The fourth proportional to 118,244.75, 163,181.21 and 64,533.21 is: 89,057.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,244.75 : 163,181.21 = 64,533.21 : x
  2. Step 2: Convert to fraction form
    118,244.75/163,181.21 = 64,533.21/x
  3. Step 3: Cross multiply
    118,244.75x = 163,181.21 × 64,533.21
  4. Step 4: Simplify right side
    118,244.75x = 10,530,606,970.32
  5. Step 5: Solve for x
    x = 10,530,606,970.32/118,244.75
  6. Step 6: Final answer
    x = 89,057.72

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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.