Home / 348,839.60-523,259.40-86,183.60

Finding the Fourth Proportional to 348,839.60, 523,259.40 and 86,183.60

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Solution

The fourth proportional to 348,839.60, 523,259.40 and 86,183.60 is: 129,275.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,839.60 : 523,259.40 = 86,183.60 : x
  2. Step 2: Convert to fraction form
    348,839.60/523,259.40 = 86,183.60/x
  3. Step 3: Cross multiply
    348,839.60x = 523,259.40 × 86,183.60
  4. Step 4: Simplify right side
    348,839.60x = 45,096,378,825.84
  5. Step 5: Solve for x
    x = 45,096,378,825.84/348,839.60
  6. Step 6: Final answer
    x = 129,275.40

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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.