Home / 156,715.03-216,260.68-85,093.41

Finding the Fourth Proportional to 156,715.03, 216,260.68 and 85,093.41

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Solution

The fourth proportional to 156,715.03, 216,260.68 and 85,093.41 is: 117,425.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,715.03 : 216,260.68 = 85,093.41 : x
  2. Step 2: Convert to fraction form
    156,715.03/216,260.68 = 85,093.41/x
  3. Step 3: Cross multiply
    156,715.03x = 216,260.68 × 85,093.41
  4. Step 4: Simplify right side
    156,715.03x = 18,402,358,710.12
  5. Step 5: Solve for x
    x = 18,402,358,710.12/156,715.03
  6. Step 6: Final answer
    x = 117,425.61

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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.