Home / 156,715.16-216,261.33-85,093.70

Finding the Fourth Proportional to 156,715.16, 216,261.33 and 85,093.70

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Solution

The fourth proportional to 156,715.16, 216,261.33 and 85,093.70 is: 117,426.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,715.16 : 216,261.33 = 85,093.70 : x
  2. Step 2: Convert to fraction form
    156,715.16/216,261.33 = 85,093.70/x
  3. Step 3: Cross multiply
    156,715.16x = 216,261.33 × 85,093.70
  4. Step 4: Simplify right side
    156,715.16x = 18,402,476,736.62
  5. Step 5: Solve for x
    x = 18,402,476,736.62/156,715.16
  6. Step 6: Final answer
    x = 117,426.27

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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.