Home / 254,855.35-351,669.63-140,115.07

Finding the Fourth Proportional to 254,855.35, 351,669.63 and 140,115.07

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Solution

The fourth proportional to 254,855.35, 351,669.63 and 140,115.07 is: 193,341.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,855.35 : 351,669.63 = 140,115.07 : x
  2. Step 2: Convert to fraction form
    254,855.35/351,669.63 = 140,115.07/x
  3. Step 3: Cross multiply
    254,855.35x = 351,669.63 × 140,115.07
  4. Step 4: Simplify right side
    254,855.35x = 49,274,214,824.32
  5. Step 5: Solve for x
    x = 49,274,214,824.32/254,855.35
  6. Step 6: Final answer
    x = 193,341.89

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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.