Home / 118,125.27-163,006.70-67,131.18

Finding the Fourth Proportional to 118,125.27, 163,006.70 and 67,131.18

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Solution

The fourth proportional to 118,125.27, 163,006.70 and 67,131.18 is: 92,637.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,125.27 : 163,006.70 = 67,131.18 : x
  2. Step 2: Convert to fraction form
    118,125.27/163,006.70 = 67,131.18/x
  3. Step 3: Cross multiply
    118,125.27x = 163,006.70 × 67,131.18
  4. Step 4: Simplify right side
    118,125.27x = 10,942,831,783.25
  5. Step 5: Solve for x
    x = 10,942,831,783.25/118,125.27
  6. Step 6: Final answer
    x = 92,637.52

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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.