Home / 341,621.40-512,480.70-104,928.60

Finding the Fourth Proportional to 341,621.40, 512,480.70 and 104,928.60

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Solution

The fourth proportional to 341,621.40, 512,480.70 and 104,928.60 is: 157,407.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,621.40 : 512,480.70 = 104,928.60 : x
  2. Step 2: Convert to fraction form
    341,621.40/512,480.70 = 104,928.60/x
  3. Step 3: Cross multiply
    341,621.40x = 512,480.70 × 104,928.60
  4. Step 4: Simplify right side
    341,621.40x = 53,773,882,378.02
  5. Step 5: Solve for x
    x = 53,773,882,378.02/341,621.40
  6. Step 6: Final answer
    x = 157,407.83

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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.