Home / 118,006.70-163,056.39-94,328.78

Finding the Fourth Proportional to 118,006.70, 163,056.39 and 94,328.78

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Solution

The fourth proportional to 118,006.70, 163,056.39 and 94,328.78 is: 130,339.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,006.70 : 163,056.39 = 94,328.78 : x
  2. Step 2: Convert to fraction form
    118,006.70/163,056.39 = 94,328.78/x
  3. Step 3: Cross multiply
    118,006.70x = 163,056.39 × 94,328.78
  4. Step 4: Simplify right side
    118,006.70x = 15,380,910,339.90
  5. Step 5: Solve for x
    x = 15,380,910,339.90/118,006.70
  6. Step 6: Final answer
    x = 130,339.30

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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.