Home / 193,015.62-266,376.32-111,358.50

Finding the Fourth Proportional to 193,015.62, 266,376.32 and 111,358.50

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Solution

The fourth proportional to 193,015.62, 266,376.32 and 111,358.50 is: 153,683.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,015.62 : 266,376.32 = 111,358.50 : x
  2. Step 2: Convert to fraction form
    193,015.62/266,376.32 = 111,358.50/x
  3. Step 3: Cross multiply
    193,015.62x = 266,376.32 × 111,358.50
  4. Step 4: Simplify right side
    193,015.62x = 29,663,267,430.72
  5. Step 5: Solve for x
    x = 29,663,267,430.72/193,015.62
  6. Step 6: Final answer
    x = 153,683.25

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1.5x scale

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.