Home / 194,931.72-269,008-114,360.64

Finding the Fourth Proportional to 194,931.72, 269,008 and 114,360.64

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Solution

The fourth proportional to 194,931.72, 269,008 and 114,360.64 is: 157,818.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,931.72 : 269,008 = 114,360.64 : x
  2. Step 2: Convert to fraction form
    194,931.72/269,008 = 114,360.64/x
  3. Step 3: Cross multiply
    194,931.72x = 269,008 × 114,360.64
  4. Step 4: Simplify right side
    194,931.72x = 30,763,927,045.12
  5. Step 5: Solve for x
    x = 30,763,927,045.12/194,931.72
  6. Step 6: Final answer
    x = 157,818.99

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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.