Home / 253,835.43-350,292.96-139,118.63

Finding the Fourth Proportional to 253,835.43, 350,292.96 and 139,118.63

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Solution

The fourth proportional to 253,835.43, 350,292.96 and 139,118.63 is: 191,983.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,835.43 : 350,292.96 = 139,118.63 : x
  2. Step 2: Convert to fraction form
    253,835.43/350,292.96 = 139,118.63/x
  3. Step 3: Cross multiply
    253,835.43x = 350,292.96 × 139,118.63
  4. Step 4: Simplify right side
    253,835.43x = 48,732,276,693.84
  5. Step 5: Solve for x
    x = 48,732,276,693.84/253,835.43
  6. Step 6: Final answer
    x = 191,983.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.