Home / 156,747.72-235,129.14-51,564.36

Finding the Fourth Proportional to 156,747.72, 235,129.14 and 51,564.36

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Solution

The fourth proportional to 156,747.72, 235,129.14 and 51,564.36 is: 77,349.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,747.72 : 235,129.14 = 51,564.36 : x
  2. Step 2: Convert to fraction form
    156,747.72/235,129.14 = 51,564.36/x
  3. Step 3: Cross multiply
    156,747.72x = 235,129.14 × 51,564.36
  4. Step 4: Simplify right side
    156,747.72x = 12,124,283,621.45
  5. Step 5: Solve for x
    x = 12,124,283,621.45/156,747.72
  6. Step 6: Final answer
    x = 77,349.03

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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.