Home / 412,743.03-619,116.80-187,946.75

Finding the Fourth Proportional to 412,743.03, 619,116.80 and 187,946.75

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Solution

The fourth proportional to 412,743.03, 619,116.80 and 187,946.75 is: 281,921.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,743.03 : 619,116.80 = 187,946.75 : x
  2. Step 2: Convert to fraction form
    412,743.03/619,116.80 = 187,946.75/x
  3. Step 3: Cross multiply
    412,743.03x = 619,116.80 × 187,946.75
  4. Step 4: Simplify right side
    412,743.03x = 116,360,986,395.08
  5. Step 5: Solve for x
    x = 116,360,986,395.08/412,743.03
  6. Step 6: Final answer
    x = 281,921.14

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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.