Home / 122,735.10-184,210.65-72,752.70

Finding the Fourth Proportional to 122,735.10, 184,210.65 and 72,752.70

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Solution

The fourth proportional to 122,735.10, 184,210.65 and 72,752.70 is: 109,193.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,735.10 : 184,210.65 = 72,752.70 : x
  2. Step 2: Convert to fraction form
    122,735.10/184,210.65 = 72,752.70/x
  3. Step 3: Cross multiply
    122,735.10x = 184,210.65 × 72,752.70
  4. Step 4: Simplify right side
    122,735.10x = 13,401,822,156.26
  5. Step 5: Solve for x
    x = 13,401,822,156.26/122,735.10
  6. Step 6: Final answer
    x = 109,193.07

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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.