Home / 157,002.10-235,539.90-51,820.97

Finding the Fourth Proportional to 157,002.10, 235,539.90 and 51,820.97

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Solution

The fourth proportional to 157,002.10, 235,539.90 and 51,820.97 is: 77,743.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,002.10 : 235,539.90 = 51,820.97 : x
  2. Step 2: Convert to fraction form
    157,002.10/235,539.90 = 51,820.97/x
  3. Step 3: Cross multiply
    157,002.10x = 235,539.90 × 51,820.97
  4. Step 4: Simplify right side
    157,002.10x = 12,205,904,914.00
  5. Step 5: Solve for x
    x = 12,205,904,914.00/157,002.10
  6. Step 6: Final answer
    x = 77,743.58

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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.