Home / 238,334.17-328,903.86-130,906.72

Finding the Fourth Proportional to 238,334.17, 328,903.86 and 130,906.72

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Solution

The fourth proportional to 238,334.17, 328,903.86 and 130,906.72 is: 180,652.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,334.17 : 328,903.86 = 130,906.72 : x
  2. Step 2: Convert to fraction form
    238,334.17/328,903.86 = 130,906.72/x
  3. Step 3: Cross multiply
    238,334.17x = 328,903.86 × 130,906.72
  4. Step 4: Simplify right side
    238,334.17x = 43,055,725,507.94
  5. Step 5: Solve for x
    x = 43,055,725,507.94/238,334.17
  6. Step 6: Final answer
    x = 180,652.76

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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.