Home / 118,611.52-163,685.94-64,901.23

Finding the Fourth Proportional to 118,611.52, 163,685.94 and 64,901.23

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Solution

The fourth proportional to 118,611.52, 163,685.94 and 64,901.23 is: 89,564.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,611.52 : 163,685.94 = 64,901.23 : x
  2. Step 2: Convert to fraction form
    118,611.52/163,685.94 = 64,901.23/x
  3. Step 3: Cross multiply
    118,611.52x = 163,685.94 × 64,901.23
  4. Step 4: Simplify right side
    118,611.52x = 10,623,418,021.28
  5. Step 5: Solve for x
    x = 10,623,418,021.28/118,611.52
  6. Step 6: Final answer
    x = 89,564.81

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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.