Home / 219,265.30-302,587.05-118,663.30

Finding the Fourth Proportional to 219,265.30, 302,587.05 and 118,663.30

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Solution

The fourth proportional to 219,265.30, 302,587.05 and 118,663.30 is: 163,755.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,265.30 : 302,587.05 = 118,663.30 : x
  2. Step 2: Convert to fraction form
    219,265.30/302,587.05 = 118,663.30/x
  3. Step 3: Cross multiply
    219,265.30x = 302,587.05 × 118,663.30
  4. Step 4: Simplify right side
    219,265.30x = 35,905,977,890.27
  5. Step 5: Solve for x
    x = 35,905,977,890.27/219,265.30
  6. Step 6: Final answer
    x = 163,755.86

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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.