Home / 130,839.27-196,134.21-42,030.41

Finding the Fourth Proportional to 130,839.27, 196,134.21 and 42,030.41

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Solution

The fourth proportional to 130,839.27, 196,134.21 and 42,030.41 is: 63,005.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,839.27 : 196,134.21 = 42,030.41 : x
  2. Step 2: Convert to fraction form
    130,839.27/196,134.21 = 42,030.41/x
  3. Step 3: Cross multiply
    130,839.27x = 196,134.21 × 42,030.41
  4. Step 4: Simplify right side
    130,839.27x = 8,243,601,383.91
  5. Step 5: Solve for x
    x = 8,243,601,383.91/130,839.27
  6. Step 6: Final answer
    x = 63,005.56

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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.