Home / 118,768.44-163,898.42-64,320.16

Finding the Fourth Proportional to 118,768.44, 163,898.42 and 64,320.16

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Solution

The fourth proportional to 118,768.44, 163,898.42 and 64,320.16 is: 88,760.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,768.44 : 163,898.42 = 64,320.16 : x
  2. Step 2: Convert to fraction form
    118,768.44/163,898.42 = 64,320.16/x
  3. Step 3: Cross multiply
    118,768.44x = 163,898.42 × 64,320.16
  4. Step 4: Simplify right side
    118,768.44x = 10,541,972,969.63
  5. Step 5: Solve for x
    x = 10,541,972,969.63/118,768.44
  6. Step 6: Final answer
    x = 88,760.73

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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.