Home / 259,490.12-389,000.94-93,239.24

Finding the Fourth Proportional to 259,490.12, 389,000.94 and 93,239.24

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Solution

The fourth proportional to 259,490.12, 389,000.94 and 93,239.24 is: 139,774.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,490.12 : 389,000.94 = 93,239.24 : x
  2. Step 2: Convert to fraction form
    259,490.12/389,000.94 = 93,239.24/x
  3. Step 3: Cross multiply
    259,490.12x = 389,000.94 × 93,239.24
  4. Step 4: Simplify right side
    259,490.12x = 36,270,152,004.89
  5. Step 5: Solve for x
    x = 36,270,152,004.89/259,490.12
  6. Step 6: Final answer
    x = 139,774.69

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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.