Home / 128,024.32-192,066.36-43,785.14

Finding the Fourth Proportional to 128,024.32, 192,066.36 and 43,785.14

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Solution

The fourth proportional to 128,024.32, 192,066.36 and 43,785.14 is: 65,687.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,024.32 : 192,066.36 = 43,785.14 : x
  2. Step 2: Convert to fraction form
    128,024.32/192,066.36 = 43,785.14/x
  3. Step 3: Cross multiply
    128,024.32x = 192,066.36 × 43,785.14
  4. Step 4: Simplify right side
    128,024.32x = 8,409,652,461.89
  5. Step 5: Solve for x
    x = 8,409,652,461.89/128,024.32
  6. Step 6: Final answer
    x = 65,687.93

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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.