Home / 118,186.83-163,098.36-64,471.68

Finding the Fourth Proportional to 118,186.83, 163,098.36 and 64,471.68

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Solution

The fourth proportional to 118,186.83, 163,098.36 and 64,471.68 is: 88,971.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,186.83 : 163,098.36 = 64,471.68 : x
  2. Step 2: Convert to fraction form
    118,186.83/163,098.36 = 64,471.68/x
  3. Step 3: Cross multiply
    118,186.83x = 163,098.36 × 64,471.68
  4. Step 4: Simplify right side
    118,186.83x = 10,515,225,274.44
  5. Step 5: Solve for x
    x = 10,515,225,274.44/118,186.83
  6. Step 6: Final answer
    x = 88,971.21

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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.