Home / 180,664.29-249,318.50-100,092.92

Finding the Fourth Proportional to 180,664.29, 249,318.50 and 100,092.92

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Solution

The fourth proportional to 180,664.29, 249,318.50 and 100,092.92 is: 138,129.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,664.29 : 249,318.50 = 100,092.92 : x
  2. Step 2: Convert to fraction form
    180,664.29/249,318.50 = 100,092.92/x
  3. Step 3: Cross multiply
    180,664.29x = 249,318.50 × 100,092.92
  4. Step 4: Simplify right side
    180,664.29x = 24,955,014,927.96
  5. Step 5: Solve for x
    x = 24,955,014,927.96/180,664.29
  6. Step 6: Final answer
    x = 138,129.21

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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.