Home / 156,810.33-235,141.65-56,900.61

Finding the Fourth Proportional to 156,810.33, 235,141.65 and 56,900.61

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Solution

The fourth proportional to 156,810.33, 235,141.65 and 56,900.61 is: 85,324.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,810.33 : 235,141.65 = 56,900.61 : x
  2. Step 2: Convert to fraction form
    156,810.33/235,141.65 = 56,900.61/x
  3. Step 3: Cross multiply
    156,810.33x = 235,141.65 × 56,900.61
  4. Step 4: Simplify right side
    156,810.33x = 13,379,703,321.41
  5. Step 5: Solve for x
    x = 13,379,703,321.41/156,810.33
  6. Step 6: Final answer
    x = 85,324.12

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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.