Home / 148,911.30-223,626.15-78,927.30

Finding the Fourth Proportional to 148,911.30, 223,626.15 and 78,927.30

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Solution

The fourth proportional to 148,911.30, 223,626.15 and 78,927.30 is: 118,528.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,911.30 : 223,626.15 = 78,927.30 : x
  2. Step 2: Convert to fraction form
    148,911.30/223,626.15 = 78,927.30/x
  3. Step 3: Cross multiply
    148,911.30x = 223,626.15 × 78,927.30
  4. Step 4: Simplify right side
    148,911.30x = 17,650,208,228.90
  5. Step 5: Solve for x
    x = 17,650,208,228.90/148,911.30
  6. Step 6: Final answer
    x = 118,528.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.