Home / 156,795.48-216,379.38-85,176.90

Finding the Fourth Proportional to 156,795.48, 216,379.38 and 85,176.90

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Solution

The fourth proportional to 156,795.48, 216,379.38 and 85,176.90 is: 117,545.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,795.48 : 216,379.38 = 85,176.90 : x
  2. Step 2: Convert to fraction form
    156,795.48/216,379.38 = 85,176.90/x
  3. Step 3: Cross multiply
    156,795.48x = 216,379.38 × 85,176.90
  4. Step 4: Simplify right side
    156,795.48x = 18,430,524,812.32
  5. Step 5: Solve for x
    x = 18,430,524,812.32/156,795.48
  6. Step 6: Final answer
    x = 117,545.00

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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.