Home / 118,305.06-163,261.52-64,591.27

Finding the Fourth Proportional to 118,305.06, 163,261.52 and 64,591.27

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Solution

The fourth proportional to 118,305.06, 163,261.52 and 64,591.27 is: 89,136.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,305.06 : 163,261.52 = 64,591.27 : x
  2. Step 2: Convert to fraction form
    118,305.06/163,261.52 = 64,591.27/x
  3. Step 3: Cross multiply
    118,305.06x = 163,261.52 × 64,591.27
  4. Step 4: Simplify right side
    118,305.06x = 10,545,269,711.71
  5. Step 5: Solve for x
    x = 10,545,269,711.71/118,305.06
  6. Step 6: Final answer
    x = 89,136.26

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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.