Home / 118,380.42-163,253.70-88,232.58

Finding the Fourth Proportional to 118,380.42, 163,253.70 and 88,232.58

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Solution

The fourth proportional to 118,380.42, 163,253.70 and 88,232.58 is: 121,678.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,380.42 : 163,253.70 = 88,232.58 : x
  2. Step 2: Convert to fraction form
    118,380.42/163,253.70 = 88,232.58/x
  3. Step 3: Cross multiply
    118,380.42x = 163,253.70 × 88,232.58
  4. Step 4: Simplify right side
    118,380.42x = 14,404,295,145.55
  5. Step 5: Solve for x
    x = 14,404,295,145.55/118,380.42
  6. Step 6: Final answer
    x = 121,678.02

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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.