Home / 219,518.64-302,935.68-118,916.64

Finding the Fourth Proportional to 219,518.64, 302,935.68 and 118,916.64

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Solution

The fourth proportional to 219,518.64, 302,935.68 and 118,916.64 is: 164,104.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,518.64 : 302,935.68 = 118,916.64 : x
  2. Step 2: Convert to fraction form
    219,518.64/302,935.68 = 118,916.64/x
  3. Step 3: Cross multiply
    219,518.64x = 302,935.68 × 118,916.64
  4. Step 4: Simplify right side
    219,518.64x = 36,024,093,201.72
  5. Step 5: Solve for x
    x = 36,024,093,201.72/219,518.64
  6. Step 6: Final answer
    x = 164,104.94

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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.