Home / 195,864.40-293,456.40-90,467.20

Finding the Fourth Proportional to 195,864.40, 293,456.40 and 90,467.20

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Solution

The fourth proportional to 195,864.40, 293,456.40 and 90,467.20 is: 135,543.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,864.40 : 293,456.40 = 90,467.20 : x
  2. Step 2: Convert to fraction form
    195,864.40/293,456.40 = 90,467.20/x
  3. Step 3: Cross multiply
    195,864.40x = 293,456.40 × 90,467.20
  4. Step 4: Simplify right side
    195,864.40x = 26,548,178,830.08
  5. Step 5: Solve for x
    x = 26,548,178,830.08/195,864.40
  6. Step 6: Final answer
    x = 135,543.67

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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.