Home / 139,244.28-192,151.95-75,580.71

Finding the Fourth Proportional to 139,244.28, 192,151.95 and 75,580.71

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Solution

The fourth proportional to 139,244.28, 192,151.95 and 75,580.71 is: 104,298.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    139,244.28 : 192,151.95 = 75,580.71 : x
  2. Step 2: Convert to fraction form
    139,244.28/192,151.95 = 75,580.71/x
  3. Step 3: Cross multiply
    139,244.28x = 192,151.95 × 75,580.71
  4. Step 4: Simplify right side
    139,244.28x = 14,522,980,808.88
  5. Step 5: Solve for x
    x = 14,522,980,808.88/139,244.28
  6. Step 6: Final answer
    x = 104,298.58

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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.