Home / 173,999.12-261,031.48-55,638.68

Finding the Fourth Proportional to 173,999.12, 261,031.48 and 55,638.68

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Solution

The fourth proportional to 173,999.12, 261,031.48 and 55,638.68 is: 83,468.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,999.12 : 261,031.48 = 55,638.68 : x
  2. Step 2: Convert to fraction form
    173,999.12/261,031.48 = 55,638.68/x
  3. Step 3: Cross multiply
    173,999.12x = 261,031.48 × 55,638.68
  4. Step 4: Simplify right side
    173,999.12x = 14,523,446,985.65
  5. Step 5: Solve for x
    x = 14,523,446,985.65/173,999.12
  6. Step 6: Final answer
    x = 83,468.51

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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.