Home / 198,416.64-297,371.88-93,003.36

Finding the Fourth Proportional to 198,416.64, 297,371.88 and 93,003.36

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Solution

The fourth proportional to 198,416.64, 297,371.88 and 93,003.36 is: 139,386.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,416.64 : 297,371.88 = 93,003.36 : x
  2. Step 2: Convert to fraction form
    198,416.64/297,371.88 = 93,003.36/x
  3. Step 3: Cross multiply
    198,416.64x = 297,371.88 × 93,003.36
  4. Step 4: Simplify right side
    198,416.64x = 27,656,584,009.52
  5. Step 5: Solve for x
    x = 27,656,584,009.52/198,416.64
  6. Step 6: Final answer
    x = 139,386.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.