Home / 132,724.50-183,159.82-73,108.50

Finding the Fourth Proportional to 132,724.50, 183,159.82 and 73,108.50

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Solution

The fourth proportional to 132,724.50, 183,159.82 and 73,108.50 is: 100,889.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,724.50 : 183,159.82 = 73,108.50 : x
  2. Step 2: Convert to fraction form
    132,724.50/183,159.82 = 73,108.50/x
  3. Step 3: Cross multiply
    132,724.50x = 183,159.82 × 73,108.50
  4. Step 4: Simplify right side
    132,724.50x = 13,390,539,700.47
  5. Step 5: Solve for x
    x = 13,390,539,700.47/132,724.50
  6. Step 6: Final answer
    x = 100,889.74

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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.