Home / 156,998.52-216,663.66-89,943.48

Finding the Fourth Proportional to 156,998.52, 216,663.66 and 89,943.48

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Solution

The fourth proportional to 156,998.52, 216,663.66 and 89,943.48 is: 124,125.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,998.52 : 216,663.66 = 89,943.48 : x
  2. Step 2: Convert to fraction form
    156,998.52/216,663.66 = 89,943.48/x
  3. Step 3: Cross multiply
    156,998.52x = 216,663.66 × 89,943.48
  4. Step 4: Simplify right side
    156,998.52x = 19,487,483,569.94
  5. Step 5: Solve for x
    x = 19,487,483,569.94/156,998.52
  6. Step 6: Final answer
    x = 124,125.27

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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.