Home / 111,015.48-166,445.34-40,885.80

Finding the Fourth Proportional to 111,015.48, 166,445.34 and 40,885.80

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Solution

The fourth proportional to 111,015.48, 166,445.34 and 40,885.80 is: 61,300.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,015.48 : 166,445.34 = 40,885.80 : x
  2. Step 2: Convert to fraction form
    111,015.48/166,445.34 = 40,885.80/x
  3. Step 3: Cross multiply
    111,015.48x = 166,445.34 × 40,885.80
  4. Step 4: Simplify right side
    111,015.48x = 6,805,250,882.17
  5. Step 5: Solve for x
    x = 6,805,250,882.17/111,015.48
  6. Step 6: Final answer
    x = 61,300.02

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1.5x scale

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.