Home / 148,678.61-223,015.95-36,359.75

Finding the Fourth Proportional to 148,678.61, 223,015.95 and 36,359.75

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Solution

The fourth proportional to 148,678.61, 223,015.95 and 36,359.75 is: 54,539.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,678.61 : 223,015.95 = 36,359.75 : x
  2. Step 2: Convert to fraction form
    148,678.61/223,015.95 = 36,359.75/x
  3. Step 3: Cross multiply
    148,678.61x = 223,015.95 × 36,359.75
  4. Step 4: Simplify right side
    148,678.61x = 8,108,804,745.55
  5. Step 5: Solve for x
    x = 8,108,804,745.55/148,678.61
  6. Step 6: Final answer
    x = 54,539.15

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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.