Home / 156,880.35-216,496.55-85,260.37

Finding the Fourth Proportional to 156,880.35, 216,496.55 and 85,260.37

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Solution

The fourth proportional to 156,880.35, 216,496.55 and 85,260.37 is: 117,660.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,880.35 : 216,496.55 = 85,260.37 : x
  2. Step 2: Convert to fraction form
    156,880.35/216,496.55 = 85,260.37/x
  3. Step 3: Cross multiply
    156,880.35x = 216,496.55 × 85,260.37
  4. Step 4: Simplify right side
    156,880.35x = 18,458,574,874.24
  5. Step 5: Solve for x
    x = 18,458,574,874.24/156,880.35
  6. Step 6: Final answer
    x = 117,660.21

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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.