Home / 111,618.18-167,437.89-36,738.99

Finding the Fourth Proportional to 111,618.18, 167,437.89 and 36,738.99

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Solution

The fourth proportional to 111,618.18, 167,437.89 and 36,738.99 is: 55,111.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,618.18 : 167,437.89 = 36,738.99 : x
  2. Step 2: Convert to fraction form
    111,618.18/167,437.89 = 36,738.99/x
  3. Step 3: Cross multiply
    111,618.18x = 167,437.89 × 36,738.99
  4. Step 4: Simplify right side
    111,618.18x = 6,151,498,966.33
  5. Step 5: Solve for x
    x = 6,151,498,966.33/111,618.18
  6. Step 6: Final answer
    x = 55,111.98

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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.