Home / 104,345.86-156,072.10-96,782.48

Finding the Fourth Proportional to 104,345.86, 156,072.10 and 96,782.48

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Solution

The fourth proportional to 104,345.86, 156,072.10 and 96,782.48 is: 144,759.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,345.86 : 156,072.10 = 96,782.48 : x
  2. Step 2: Convert to fraction form
    104,345.86/156,072.10 = 96,782.48/x
  3. Step 3: Cross multiply
    104,345.86x = 156,072.10 × 96,782.48
  4. Step 4: Simplify right side
    104,345.86x = 15,105,044,896.81
  5. Step 5: Solve for x
    x = 15,105,044,896.81/104,345.86
  6. Step 6: Final answer
    x = 144,759.41

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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.