Home / 198,678.70-298,018.10-58,437.32

Finding the Fourth Proportional to 198,678.70, 298,018.10 and 58,437.32

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Solution

The fourth proportional to 198,678.70, 298,018.10 and 58,437.32 is: 87,656.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,678.70 : 298,018.10 = 58,437.32 : x
  2. Step 2: Convert to fraction form
    198,678.70/298,018.10 = 58,437.32/x
  3. Step 3: Cross multiply
    198,678.70x = 298,018.10 × 58,437.32
  4. Step 4: Simplify right side
    198,678.70x = 17,415,379,594.11
  5. Step 5: Solve for x
    x = 17,415,379,594.11/198,678.70
  6. Step 6: Final answer
    x = 87,656.00

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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.