Home / 119,272.77-178,931.03-49,113.81

Finding the Fourth Proportional to 119,272.77, 178,931.03 and 49,113.81

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Solution

The fourth proportional to 119,272.77, 178,931.03 and 49,113.81 is: 73,679.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,272.77 : 178,931.03 = 49,113.81 : x
  2. Step 2: Convert to fraction form
    119,272.77/178,931.03 = 49,113.81/x
  3. Step 3: Cross multiply
    119,272.77x = 178,931.03 × 49,113.81
  4. Step 4: Simplify right side
    119,272.77x = 8,787,984,364.96
  5. Step 5: Solve for x
    x = 8,787,984,364.96/119,272.77
  6. Step 6: Final answer
    x = 73,679.72

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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.