Home / 219,343.05-302,694.38-118,741.05

Finding the Fourth Proportional to 219,343.05, 302,694.38 and 118,741.05

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Solution

The fourth proportional to 219,343.05, 302,694.38 and 118,741.05 is: 163,863.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,343.05 : 302,694.38 = 118,741.05 : x
  2. Step 2: Convert to fraction form
    219,343.05/302,694.38 = 118,741.05/x
  3. Step 3: Cross multiply
    219,343.05x = 302,694.38 × 118,741.05
  4. Step 4: Simplify right side
    219,343.05x = 35,942,247,916.59
  5. Step 5: Solve for x
    x = 35,942,247,916.59/219,343.05
  6. Step 6: Final answer
    x = 163,863.17

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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.