Home / 219,113.86-302,377.20-118,511.86

Finding the Fourth Proportional to 219,113.86, 302,377.20 and 118,511.86

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Solution

The fourth proportional to 219,113.86, 302,377.20 and 118,511.86 is: 163,546.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,113.86 : 302,377.20 = 118,511.86 : x
  2. Step 2: Convert to fraction form
    219,113.86/302,377.20 = 118,511.86/x
  3. Step 3: Cross multiply
    219,113.86x = 302,377.20 × 118,511.86
  4. Step 4: Simplify right side
    219,113.86x = 35,835,284,393.59
  5. Step 5: Solve for x
    x = 35,835,284,393.59/219,113.86
  6. Step 6: Final answer
    x = 163,546.41

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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.