Home / 193,465.90-266,980.71-108,581.14

Finding the Fourth Proportional to 193,465.90, 266,980.71 and 108,581.14

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Solution

The fourth proportional to 193,465.90, 266,980.71 and 108,581.14 is: 149,840.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,465.90 : 266,980.71 = 108,581.14 : x
  2. Step 2: Convert to fraction form
    193,465.90/266,980.71 = 108,581.14/x
  3. Step 3: Cross multiply
    193,465.90x = 266,980.71 × 108,581.14
  4. Step 4: Simplify right side
    193,465.90x = 28,989,069,849.81
  5. Step 5: Solve for x
    x = 28,989,069,849.81/193,465.90
  6. Step 6: Final answer
    x = 149,840.72

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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.