Home / 193,225.40-266,641.67-107,187.81

Finding the Fourth Proportional to 193,225.40, 266,641.67 and 107,187.81

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Solution

The fourth proportional to 193,225.40, 266,641.67 and 107,187.81 is: 147,913.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,225.40 : 266,641.67 = 107,187.81 : x
  2. Step 2: Convert to fraction form
    193,225.40/266,641.67 = 107,187.81/x
  3. Step 3: Cross multiply
    193,225.40x = 266,641.67 × 107,187.81
  4. Step 4: Simplify right side
    193,225.40x = 28,580,735,930.11
  5. Step 5: Solve for x
    x = 28,580,735,930.11/193,225.40
  6. Step 6: Final answer
    x = 147,913.97

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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.