Home / 238,435.72-328,904.41-148,856.20

Finding the Fourth Proportional to 238,435.72, 328,904.41 and 148,856.20

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Solution

The fourth proportional to 238,435.72, 328,904.41 and 148,856.20 is: 205,336.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,435.72 : 328,904.41 = 148,856.20 : x
  2. Step 2: Convert to fraction form
    238,435.72/328,904.41 = 148,856.20/x
  3. Step 3: Cross multiply
    238,435.72x = 328,904.41 × 148,856.20
  4. Step 4: Simplify right side
    238,435.72x = 48,959,460,635.84
  5. Step 5: Solve for x
    x = 48,959,460,635.84/238,435.72
  6. Step 6: Final answer
    x = 205,336.10

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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.