Home / 156,746.72-235,127.64-51,563.36

Finding the Fourth Proportional to 156,746.72, 235,127.64 and 51,563.36

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Solution

The fourth proportional to 156,746.72, 235,127.64 and 51,563.36 is: 77,347.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,746.72 : 235,127.64 = 51,563.36 : x
  2. Step 2: Convert to fraction form
    156,746.72/235,127.64 = 51,563.36/x
  3. Step 3: Cross multiply
    156,746.72x = 235,127.64 × 51,563.36
  4. Step 4: Simplify right side
    156,746.72x = 12,123,971,147.27
  5. Step 5: Solve for x
    x = 12,123,971,147.27/156,746.72
  6. Step 6: Final answer
    x = 77,347.53

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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.