Home / 237,929.69-328,370.40-142,436.36

Finding the Fourth Proportional to 237,929.69, 328,370.40 and 142,436.36

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Solution

The fourth proportional to 237,929.69, 328,370.40 and 142,436.36 is: 196,578.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,929.69 : 328,370.40 = 142,436.36 : x
  2. Step 2: Convert to fraction form
    237,929.69/328,370.40 = 142,436.36/x
  3. Step 3: Cross multiply
    237,929.69x = 328,370.40 × 142,436.36
  4. Step 4: Simplify right side
    237,929.69x = 46,771,882,865.89
  5. Step 5: Solve for x
    x = 46,771,882,865.89/237,929.69
  6. Step 6: Final answer
    x = 196,578.59

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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.