Home / 156,647.34-216,167.53-85,025.83

Finding the Fourth Proportional to 156,647.34, 216,167.53 and 85,025.83

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Solution

The fourth proportional to 156,647.34, 216,167.53 and 85,025.83 is: 117,332.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,647.34 : 216,167.53 = 85,025.83 : x
  2. Step 2: Convert to fraction form
    156,647.34/216,167.53 = 85,025.83/x
  3. Step 3: Cross multiply
    156,647.34x = 216,167.53 × 85,025.83
  4. Step 4: Simplify right side
    156,647.34x = 18,379,823,657.30
  5. Step 5: Solve for x
    x = 18,379,823,657.30/156,647.34
  6. Step 6: Final answer
    x = 117,332.50

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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.