Home / 238,358.24-328,898.72-136,367.50

Finding the Fourth Proportional to 238,358.24, 328,898.72 and 136,367.50

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Solution

The fourth proportional to 238,358.24, 328,898.72 and 136,367.50 is: 188,166.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,358.24 : 328,898.72 = 136,367.50 : x
  2. Step 2: Convert to fraction form
    238,358.24/328,898.72 = 136,367.50/x
  3. Step 3: Cross multiply
    238,358.24x = 328,898.72 × 136,367.50
  4. Step 4: Simplify right side
    238,358.24x = 44,851,096,199.60
  5. Step 5: Solve for x
    x = 44,851,096,199.60/238,358.24
  6. Step 6: Final answer
    x = 188,166.75

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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.