Home / 118,243.76-163,179.82-64,532.23

Finding the Fourth Proportional to 118,243.76, 163,179.82 and 64,532.23

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Solution

The fourth proportional to 118,243.76, 163,179.82 and 64,532.23 is: 89,056.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,243.76 : 163,179.82 = 64,532.23 : x
  2. Step 2: Convert to fraction form
    118,243.76/163,179.82 = 64,532.23/x
  3. Step 3: Cross multiply
    118,243.76x = 163,179.82 × 64,532.23
  4. Step 4: Simplify right side
    118,243.76x = 10,530,357,675.60
  5. Step 5: Solve for x
    x = 10,530,357,675.60/118,243.76
  6. Step 6: Final answer
    x = 89,056.35

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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.