Home / 219,535.31-302,959.04-118,933.31

Finding the Fourth Proportional to 219,535.31, 302,959.04 and 118,933.31

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Solution

The fourth proportional to 219,535.31, 302,959.04 and 118,933.31 is: 164,128.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,535.31 : 302,959.04 = 118,933.31 : x
  2. Step 2: Convert to fraction form
    219,535.31/302,959.04 = 118,933.31/x
  3. Step 3: Cross multiply
    219,535.31x = 302,959.04 × 118,933.31
  4. Step 4: Simplify right side
    219,535.31x = 36,031,921,584.35
  5. Step 5: Solve for x
    x = 36,031,921,584.35/219,535.31
  6. Step 6: Final answer
    x = 164,128.14

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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.