Home / 237,333.32-327,517.21-128,435.13

Finding the Fourth Proportional to 237,333.32, 327,517.21 and 128,435.13

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Solution

The fourth proportional to 237,333.32, 327,517.21 and 128,435.13 is: 177,238.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,333.32 : 327,517.21 = 128,435.13 : x
  2. Step 2: Convert to fraction form
    237,333.32/327,517.21 = 128,435.13/x
  3. Step 3: Cross multiply
    237,333.32x = 327,517.21 × 128,435.13
  4. Step 4: Simplify right side
    237,333.32x = 42,064,714,881.68
  5. Step 5: Solve for x
    x = 42,064,714,881.68/237,333.32
  6. Step 6: Final answer
    x = 177,238.98

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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.