Home / 193,300.10-289,833.67-86,664.77

Finding the Fourth Proportional to 193,300.10, 289,833.67 and 86,664.77

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Solution

The fourth proportional to 193,300.10, 289,833.67 and 86,664.77 is: 129,944.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,300.10 : 289,833.67 = 86,664.77 : x
  2. Step 2: Convert to fraction form
    193,300.10/289,833.67 = 86,664.77/x
  3. Step 3: Cross multiply
    193,300.10x = 289,833.67 × 86,664.77
  4. Step 4: Simplify right side
    193,300.10x = 25,118,368,348.81
  5. Step 5: Solve for x
    x = 25,118,368,348.81/193,300.10
  6. Step 6: Final answer
    x = 129,944.93

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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.