Home / 193,535.18-290,155.04-109,390.36

Finding the Fourth Proportional to 193,535.18, 290,155.04 and 109,390.36

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Solution

The fourth proportional to 193,535.18, 290,155.04 and 109,390.36 is: 164,002.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,535.18 : 290,155.04 = 109,390.36 : x
  2. Step 2: Convert to fraction form
    193,535.18/290,155.04 = 109,390.36/x
  3. Step 3: Cross multiply
    193,535.18x = 290,155.04 × 109,390.36
  4. Step 4: Simplify right side
    193,535.18x = 31,740,164,281.41
  5. Step 5: Solve for x
    x = 31,740,164,281.41/193,535.18
  6. Step 6: Final answer
    x = 164,002.04

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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.