Home / 194,420.16-268,280.64-109,552.32

Finding the Fourth Proportional to 194,420.16, 268,280.64 and 109,552.32

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Solution

The fourth proportional to 194,420.16, 268,280.64 and 109,552.32 is: 151,171.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,420.16 : 268,280.64 = 109,552.32 : x
  2. Step 2: Convert to fraction form
    194,420.16/268,280.64 = 109,552.32/x
  3. Step 3: Cross multiply
    194,420.16x = 268,280.64 × 109,552.32
  4. Step 4: Simplify right side
    194,420.16x = 29,390,766,523.08
  5. Step 5: Solve for x
    x = 29,390,766,523.08/194,420.16
  6. Step 6: Final answer
    x = 151,171.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.