Home / 318,313.35-439,125.17-190,767.51

Finding the Fourth Proportional to 318,313.35, 439,125.17 and 190,767.51

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Solution

The fourth proportional to 318,313.35, 439,125.17 and 190,767.51 is: 263,170.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,313.35 : 439,125.17 = 190,767.51 : x
  2. Step 2: Convert to fraction form
    318,313.35/439,125.17 = 190,767.51/x
  3. Step 3: Cross multiply
    318,313.35x = 439,125.17 × 190,767.51
  4. Step 4: Simplify right side
    318,313.35x = 83,770,814,305.39
  5. Step 5: Solve for x
    x = 83,770,814,305.39/318,313.35
  6. Step 6: Final answer
    x = 263,170.91

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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.