Home / 184,184.78-254,157.18-103,640.18

Finding the Fourth Proportional to 184,184.78, 254,157.18 and 103,640.18

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Solution

The fourth proportional to 184,184.78, 254,157.18 and 103,640.18 is: 143,013.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,184.78 : 254,157.18 = 103,640.18 : x
  2. Step 2: Convert to fraction form
    184,184.78/254,157.18 = 103,640.18/x
  3. Step 3: Cross multiply
    184,184.78x = 254,157.18 × 103,640.18
  4. Step 4: Simplify right side
    184,184.78x = 26,340,895,883.49
  5. Step 5: Solve for x
    x = 26,340,895,883.49/184,184.78
  6. Step 6: Final answer
    x = 143,013.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.