Home / 156,810.80-235,239.24-51,604.40

Finding the Fourth Proportional to 156,810.80, 235,239.24 and 51,604.40

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Solution

The fourth proportional to 156,810.80, 235,239.24 and 51,604.40 is: 77,414.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,810.80 : 235,239.24 = 51,604.40 : x
  2. Step 2: Convert to fraction form
    156,810.80/235,239.24 = 51,604.40/x
  3. Step 3: Cross multiply
    156,810.80x = 235,239.24 × 51,604.40
  4. Step 4: Simplify right side
    156,810.80x = 12,139,379,836.66
  5. Step 5: Solve for x
    x = 12,139,379,836.66/156,810.80
  6. Step 6: Final answer
    x = 77,414.18

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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.