Home / 119,093.27-178,407.70-66,343.91

Finding the Fourth Proportional to 119,093.27, 178,407.70 and 66,343.91

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Solution

The fourth proportional to 119,093.27, 178,407.70 and 66,343.91 is: 99,386.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,093.27 : 178,407.70 = 66,343.91 : x
  2. Step 2: Convert to fraction form
    119,093.27/178,407.70 = 66,343.91/x
  3. Step 3: Cross multiply
    119,093.27x = 178,407.70 × 66,343.91
  4. Step 4: Simplify right side
    119,093.27x = 11,836,264,392.11
  5. Step 5: Solve for x
    x = 11,836,264,392.11/119,093.27
  6. Step 6: Final answer
    x = 99,386.51

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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.