Home / 156,880.18-216,496.33-85,260.21

Finding the Fourth Proportional to 156,880.18, 216,496.33 and 85,260.21

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Solution

The fourth proportional to 156,880.18, 216,496.33 and 85,260.21 is: 117,660.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,880.18 : 216,496.33 = 85,260.21 : x
  2. Step 2: Convert to fraction form
    156,880.18/216,496.33 = 85,260.21/x
  3. Step 3: Cross multiply
    156,880.18x = 216,496.33 × 85,260.21
  4. Step 4: Simplify right side
    156,880.18x = 18,458,521,535.02
  5. Step 5: Solve for x
    x = 18,458,521,535.02/156,880.18
  6. Step 6: Final answer
    x = 117,660.00

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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.