Home / 156,925.67-235,331.46-85,900.77

Finding the Fourth Proportional to 156,925.67, 235,331.46 and 85,900.77

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Solution

The fourth proportional to 156,925.67, 235,331.46 and 85,900.77 is: 128,819.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,925.67 : 235,331.46 = 85,900.77 : x
  2. Step 2: Convert to fraction form
    156,925.67/235,331.46 = 85,900.77/x
  3. Step 3: Cross multiply
    156,925.67x = 235,331.46 × 85,900.77
  4. Step 4: Simplify right side
    156,925.67x = 20,215,153,619.22
  5. Step 5: Solve for x
    x = 20,215,153,619.22/156,925.67
  6. Step 6: Final answer
    x = 128,819.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.