Home / 195,353.62-293,030.42-128,778.18

Finding the Fourth Proportional to 195,353.62, 293,030.42 and 128,778.18

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Solution

The fourth proportional to 195,353.62, 293,030.42 and 128,778.18 is: 193,167.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,353.62 : 293,030.42 = 128,778.18 : x
  2. Step 2: Convert to fraction form
    195,353.62/293,030.42 = 128,778.18/x
  3. Step 3: Cross multiply
    195,353.62x = 293,030.42 × 128,778.18
  4. Step 4: Simplify right side
    195,353.62x = 37,735,924,172.24
  5. Step 5: Solve for x
    x = 37,735,924,172.24/195,353.62
  6. Step 6: Final answer
    x = 193,167.26

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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.