Home / 158,253.30-218,491.47-141,228.36

Finding the Fourth Proportional to 158,253.30, 218,491.47 and 141,228.36

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Solution

The fourth proportional to 158,253.30, 218,491.47 and 141,228.36 is: 194,986.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,253.30 : 218,491.47 = 141,228.36 : x
  2. Step 2: Convert to fraction form
    158,253.30/218,491.47 = 141,228.36/x
  3. Step 3: Cross multiply
    158,253.30x = 218,491.47 × 141,228.36
  4. Step 4: Simplify right side
    158,253.30x = 30,857,191,982.09
  5. Step 5: Solve for x
    x = 30,857,191,982.09/158,253.30
  6. Step 6: Final answer
    x = 194,986.09

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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.