Home / 118,247.75-163,185.35-64,536.21

Finding the Fourth Proportional to 118,247.75, 163,185.35 and 64,536.21

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Solution

The fourth proportional to 118,247.75, 163,185.35 and 64,536.21 is: 89,061.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,247.75 : 163,185.35 = 64,536.21 : x
  2. Step 2: Convert to fraction form
    118,247.75/163,185.35 = 64,536.21/x
  3. Step 3: Cross multiply
    118,247.75x = 163,185.35 × 64,536.21
  4. Step 4: Simplify right side
    118,247.75x = 10,531,363,693.84
  5. Step 5: Solve for x
    x = 10,531,363,693.84/118,247.75
  6. Step 6: Final answer
    x = 89,061.86

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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.