Home / 156,935.37-216,568.26-85,317.18

Finding the Fourth Proportional to 156,935.37, 216,568.26 and 85,317.18

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Solution

The fourth proportional to 156,935.37, 216,568.26 and 85,317.18 is: 117,736.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,935.37 : 216,568.26 = 85,317.18 : x
  2. Step 2: Convert to fraction form
    156,935.37/216,568.26 = 85,317.18/x
  3. Step 3: Cross multiply
    156,935.37x = 216,568.26 × 85,317.18
  4. Step 4: Simplify right side
    156,935.37x = 18,476,993,220.71
  5. Step 5: Solve for x
    x = 18,476,993,220.71/156,935.37
  6. Step 6: Final answer
    x = 117,736.32

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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.