Home / 239,981.60-359,972.40-193,325.60

Finding the Fourth Proportional to 239,981.60, 359,972.40 and 193,325.60

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Solution

The fourth proportional to 239,981.60, 359,972.40 and 193,325.60 is: 289,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,981.60 : 359,972.40 = 193,325.60 : x
  2. Step 2: Convert to fraction form
    239,981.60/359,972.40 = 193,325.60/x
  3. Step 3: Cross multiply
    239,981.60x = 359,972.40 × 193,325.60
  4. Step 4: Simplify right side
    239,981.60x = 69,591,880,213.44
  5. Step 5: Solve for x
    x = 69,591,880,213.44/239,981.60
  6. Step 6: Final answer
    x = 289,988.40

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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.