Home / 195,541.20-293,117.40-90,176.40

Finding the Fourth Proportional to 195,541.20, 293,117.40 and 90,176.40

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Solution

The fourth proportional to 195,541.20, 293,117.40 and 90,176.40 is: 135,174.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,541.20 : 293,117.40 = 90,176.40 : x
  2. Step 2: Convert to fraction form
    195,541.20/293,117.40 = 90,176.40/x
  3. Step 3: Cross multiply
    195,541.20x = 293,117.40 × 90,176.40
  4. Step 4: Simplify right side
    195,541.20x = 26,432,271,909.36
  5. Step 5: Solve for x
    x = 26,432,271,909.36/195,541.20
  6. Step 6: Final answer
    x = 135,174.95

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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.