Home / 178,779.10-246,644.61-115,153.82

Finding the Fourth Proportional to 178,779.10, 246,644.61 and 115,153.82

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Solution

The fourth proportional to 178,779.10, 246,644.61 and 115,153.82 is: 158,866.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,779.10 : 246,644.61 = 115,153.82 : x
  2. Step 2: Convert to fraction form
    178,779.10/246,644.61 = 115,153.82/x
  3. Step 3: Cross multiply
    178,779.10x = 246,644.61 × 115,153.82
  4. Step 4: Simplify right side
    178,779.10x = 28,402,069,023.91
  5. Step 5: Solve for x
    x = 28,402,069,023.91/178,779.10
  6. Step 6: Final answer
    x = 158,866.83

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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.