Home / 184,564.80-276,191.10-128,140.20

Finding the Fourth Proportional to 184,564.80, 276,191.10 and 128,140.20

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Solution

The fourth proportional to 184,564.80, 276,191.10 and 128,140.20 is: 191,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,564.80 : 276,191.10 = 128,140.20 : x
  2. Step 2: Convert to fraction form
    184,564.80/276,191.10 = 128,140.20/x
  3. Step 3: Cross multiply
    184,564.80x = 276,191.10 × 128,140.20
  4. Step 4: Simplify right side
    184,564.80x = 35,391,182,792.22
  5. Step 5: Solve for x
    x = 35,391,182,792.22/184,564.80
  6. Step 6: Final answer
    x = 191,754.78

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1.5x scale

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.