Home / 118,261.30-163,204.14-64,549.84

Finding the Fourth Proportional to 118,261.30, 163,204.14 and 64,549.84

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Solution

The fourth proportional to 118,261.30, 163,204.14 and 64,549.84 is: 89,080.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,261.30 : 163,204.14 = 64,549.84 : x
  2. Step 2: Convert to fraction form
    118,261.30/163,204.14 = 64,549.84/x
  3. Step 3: Cross multiply
    118,261.30x = 163,204.14 × 64,549.84
  4. Step 4: Simplify right side
    118,261.30x = 10,534,801,124.34
  5. Step 5: Solve for x
    x = 10,534,801,124.34/118,261.30
  6. Step 6: Final answer
    x = 89,080.71

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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.