Home / 193,252.10-289,928.55-74,927.30

Finding the Fourth Proportional to 193,252.10, 289,928.55 and 74,927.30

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Solution

The fourth proportional to 193,252.10, 289,928.55 and 74,927.30 is: 112,410.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,252.10 : 289,928.55 = 74,927.30 : x
  2. Step 2: Convert to fraction form
    193,252.10/289,928.55 = 74,927.30/x
  3. Step 3: Cross multiply
    193,252.10x = 289,928.55 × 74,927.30
  4. Step 4: Simplify right side
    193,252.10x = 21,723,563,444.42
  5. Step 5: Solve for x
    x = 21,723,563,444.42/193,252.10
  6. Step 6: Final answer
    x = 112,410.49

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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.