Home / 190,007.64-284,906.28-77,766.72

Finding the Fourth Proportional to 190,007.64, 284,906.28 and 77,766.72

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Solution

The fourth proportional to 190,007.64, 284,906.28 and 77,766.72 is: 116,607.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,007.64 : 284,906.28 = 77,766.72 : x
  2. Step 2: Convert to fraction form
    190,007.64/284,906.28 = 77,766.72/x
  3. Step 3: Cross multiply
    190,007.64x = 284,906.28 × 77,766.72
  4. Step 4: Simplify right side
    190,007.64x = 22,156,226,903.00
  5. Step 5: Solve for x
    x = 22,156,226,903.00/190,007.64
  6. Step 6: Final answer
    x = 116,607.03

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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.