Home / 238,233.12-328,737.49-142,737.36

Finding the Fourth Proportional to 238,233.12, 328,737.49 and 142,737.36

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Solution

The fourth proportional to 238,233.12, 328,737.49 and 142,737.36 is: 196,963.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,233.12 : 328,737.49 = 142,737.36 : x
  2. Step 2: Convert to fraction form
    238,233.12/328,737.49 = 142,737.36/x
  3. Step 3: Cross multiply
    238,233.12x = 328,737.49 × 142,737.36
  4. Step 4: Simplify right side
    238,233.12x = 46,923,121,455.63
  5. Step 5: Solve for x
    x = 46,923,121,455.63/238,233.12
  6. Step 6: Final answer
    x = 196,963.05

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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.