Home / 238,656.12-329,395.56-151,384.77

Finding the Fourth Proportional to 238,656.12, 329,395.56 and 151,384.77

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Solution

The fourth proportional to 238,656.12, 329,395.56 and 151,384.77 is: 208,942.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,656.12 : 329,395.56 = 151,384.77 : x
  2. Step 2: Convert to fraction form
    238,656.12/329,395.56 = 151,384.77/x
  3. Step 3: Cross multiply
    238,656.12x = 329,395.56 × 151,384.77
  4. Step 4: Simplify right side
    238,656.12x = 49,865,471,089.62
  5. Step 5: Solve for x
    x = 49,865,471,089.62/238,656.12
  6. Step 6: Final answer
    x = 208,942.77

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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.