Home / 162,540.77-243,748.13-55,904.45

Finding the Fourth Proportional to 162,540.77, 243,748.13 and 55,904.45

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Solution

The fourth proportional to 162,540.77, 243,748.13 and 55,904.45 is: 83,834.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,540.77 : 243,748.13 = 55,904.45 : x
  2. Step 2: Convert to fraction form
    162,540.77/243,748.13 = 55,904.45/x
  3. Step 3: Cross multiply
    162,540.77x = 243,748.13 × 55,904.45
  4. Step 4: Simplify right side
    162,540.77x = 13,626,603,647.92
  5. Step 5: Solve for x
    x = 13,626,603,647.92/162,540.77
  6. Step 6: Final answer
    x = 83,834.99

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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.