Home / 111,301.75-153,596.42-61,000.75

Finding the Fourth Proportional to 111,301.75, 153,596.42 and 61,000.75

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Solution

The fourth proportional to 111,301.75, 153,596.42 and 61,000.75 is: 84,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,301.75 : 153,596.42 = 61,000.75 : x
  2. Step 2: Convert to fraction form
    111,301.75/153,596.42 = 61,000.75/x
  3. Step 3: Cross multiply
    111,301.75x = 153,596.42 × 61,000.75
  4. Step 4: Simplify right side
    111,301.75x = 9,369,496,817.32
  5. Step 5: Solve for x
    x = 9,369,496,817.32/111,301.75
  6. Step 6: Final answer
    x = 84,181.04

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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.