Home / 348,641.20-522,899-92,475.60

Finding the Fourth Proportional to 348,641.20, 522,899 and 92,475.60

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Solution

The fourth proportional to 348,641.20, 522,899 and 92,475.60 is: 138,696.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,641.20 : 522,899 = 92,475.60 : x
  2. Step 2: Convert to fraction form
    348,641.20/522,899 = 92,475.60/x
  3. Step 3: Cross multiply
    348,641.20x = 522,899 × 92,475.60
  4. Step 4: Simplify right side
    348,641.20x = 48,355,398,764.40
  5. Step 5: Solve for x
    x = 48,355,398,764.40/348,641.20
  6. Step 6: Final answer
    x = 138,696.74

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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.