Home / 194,745.04-292,114.51-99,920.50

Finding the Fourth Proportional to 194,745.04, 292,114.51 and 99,920.50

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Solution

The fourth proportional to 194,745.04, 292,114.51 and 99,920.50 is: 149,879.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,745.04 : 292,114.51 = 99,920.50 : x
  2. Step 2: Convert to fraction form
    194,745.04/292,114.51 = 99,920.50/x
  3. Step 3: Cross multiply
    194,745.04x = 292,114.51 × 99,920.50
  4. Step 4: Simplify right side
    194,745.04x = 29,188,227,896.46
  5. Step 5: Solve for x
    x = 29,188,227,896.46/194,745.04
  6. Step 6: Final answer
    x = 149,879.19

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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.