Home / 198,905.17-298,385.25-63,973.06

Finding the Fourth Proportional to 198,905.17, 298,385.25 and 63,973.06

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Solution

The fourth proportional to 198,905.17, 298,385.25 and 63,973.06 is: 95,968.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,905.17 : 298,385.25 = 63,973.06 : x
  2. Step 2: Convert to fraction form
    198,905.17/298,385.25 = 63,973.06/x
  3. Step 3: Cross multiply
    198,905.17x = 298,385.25 × 63,973.06
  4. Step 4: Simplify right side
    198,905.17x = 19,088,616,875.35
  5. Step 5: Solve for x
    x = 19,088,616,875.35/198,905.17
  6. Step 6: Final answer
    x = 95,968.43

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1.5x scale

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.