Home / 136,913.23-205,447.17-73,732.02

Finding the Fourth Proportional to 136,913.23, 205,447.17 and 73,732.02

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Solution

The fourth proportional to 136,913.23, 205,447.17 and 73,732.02 is: 110,639.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,913.23 : 205,447.17 = 73,732.02 : x
  2. Step 2: Convert to fraction form
    136,913.23/205,447.17 = 73,732.02/x
  3. Step 3: Cross multiply
    136,913.23x = 205,447.17 × 73,732.02
  4. Step 4: Simplify right side
    136,913.23x = 15,148,033,938.71
  5. Step 5: Solve for x
    x = 15,148,033,938.71/136,913.23
  6. Step 6: Final answer
    x = 110,639.66

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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.