Home / 111,637.28-167,442.70-31,682.28

Finding the Fourth Proportional to 111,637.28, 167,442.70 and 31,682.28

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Solution

The fourth proportional to 111,637.28, 167,442.70 and 31,682.28 is: 47,519.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,637.28 : 167,442.70 = 31,682.28 : x
  2. Step 2: Convert to fraction form
    111,637.28/167,442.70 = 31,682.28/x
  3. Step 3: Cross multiply
    111,637.28x = 167,442.70 × 31,682.28
  4. Step 4: Simplify right side
    111,637.28x = 5,304,966,505.36
  5. Step 5: Solve for x
    x = 5,304,966,505.36/111,637.28
  6. Step 6: Final answer
    x = 47,519.67

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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.