Home / 238,485.54-328,973-148,906.02

Finding the Fourth Proportional to 238,485.54, 328,973 and 148,906.02

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Solution

The fourth proportional to 238,485.54, 328,973 and 148,906.02 is: 205,404.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,485.54 : 328,973 = 148,906.02 : x
  2. Step 2: Convert to fraction form
    238,485.54/328,973 = 148,906.02/x
  3. Step 3: Cross multiply
    238,485.54x = 328,973 × 148,906.02
  4. Step 4: Simplify right side
    238,485.54x = 48,986,060,117.46
  5. Step 5: Solve for x
    x = 48,986,060,117.46/238,485.54
  6. Step 6: Final answer
    x = 205,404.74

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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.