Home / 148,782.34-223,148.88-48,943.78

Finding the Fourth Proportional to 148,782.34, 223,148.88 and 48,943.78

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Solution

The fourth proportional to 148,782.34, 223,148.88 and 48,943.78 is: 73,407.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,782.34 : 223,148.88 = 48,943.78 : x
  2. Step 2: Convert to fraction form
    148,782.34/223,148.88 = 48,943.78/x
  3. Step 3: Cross multiply
    148,782.34x = 223,148.88 × 48,943.78
  4. Step 4: Simplify right side
    148,782.34x = 10,921,749,689.97
  5. Step 5: Solve for x
    x = 10,921,749,689.97/148,782.34
  6. Step 6: Final answer
    x = 73,407.57

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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.