Home / 118,615.92-163,683.36-64,896.72

Finding the Fourth Proportional to 118,615.92, 163,683.36 and 64,896.72

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Solution

The fourth proportional to 118,615.92, 163,683.36 and 64,896.72 is: 89,553.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,615.92 : 163,683.36 = 64,896.72 : x
  2. Step 2: Convert to fraction form
    118,615.92/163,683.36 = 64,896.72/x
  3. Step 3: Cross multiply
    118,615.92x = 163,683.36 × 64,896.72
  4. Step 4: Simplify right side
    118,615.92x = 10,622,513,182.58
  5. Step 5: Solve for x
    x = 10,622,513,182.58/118,615.92
  6. Step 6: Final answer
    x = 89,553.86

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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.