Home / 341,723.60-512,585.40-89,003.60

Finding the Fourth Proportional to 341,723.60, 512,585.40 and 89,003.60

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Solution

The fourth proportional to 341,723.60, 512,585.40 and 89,003.60 is: 133,505.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,723.60 : 512,585.40 = 89,003.60 : x
  2. Step 2: Convert to fraction form
    341,723.60/512,585.40 = 89,003.60/x
  3. Step 3: Cross multiply
    341,723.60x = 512,585.40 × 89,003.60
  4. Step 4: Simplify right side
    341,723.60x = 45,621,945,907.44
  5. Step 5: Solve for x
    x = 45,621,945,907.44/341,723.60
  6. Step 6: Final answer
    x = 133,505.40

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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.