Home / 118,764.06-163,894.68-64,316.88

Finding the Fourth Proportional to 118,764.06, 163,894.68 and 64,316.88

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Solution

The fourth proportional to 118,764.06, 163,894.68 and 64,316.88 is: 88,757.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,764.06 : 163,894.68 = 64,316.88 : x
  2. Step 2: Convert to fraction form
    118,764.06/163,894.68 = 64,316.88/x
  3. Step 3: Cross multiply
    118,764.06x = 163,894.68 × 64,316.88
  4. Step 4: Simplify right side
    118,764.06x = 10,541,194,466.20
  5. Step 5: Solve for x
    x = 10,541,194,466.20/118,764.06
  6. Step 6: Final answer
    x = 88,757.44

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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.