Home / 118,238.55-163,169.66-64,524.75

Finding the Fourth Proportional to 118,238.55, 163,169.66 and 64,524.75

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Solution

The fourth proportional to 118,238.55, 163,169.66 and 64,524.75 is: 89,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,238.55 : 163,169.66 = 64,524.75 : x
  2. Step 2: Convert to fraction form
    118,238.55/163,169.66 = 64,524.75/x
  3. Step 3: Cross multiply
    118,238.55x = 163,169.66 × 64,524.75
  4. Step 4: Simplify right side
    118,238.55x = 10,528,481,196.46
  5. Step 5: Solve for x
    x = 10,528,481,196.46/118,238.55
  6. Step 6: Final answer
    x = 89,044.40

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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.