Home / 345,197.30-476,383.12-190,159.84

Finding the Fourth Proportional to 345,197.30, 476,383.12 and 190,159.84

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Solution

The fourth proportional to 345,197.30, 476,383.12 and 190,159.84 is: 262,426.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,197.30 : 476,383.12 = 190,159.84 : x
  2. Step 2: Convert to fraction form
    345,197.30/476,383.12 = 190,159.84/x
  3. Step 3: Cross multiply
    345,197.30x = 476,383.12 × 190,159.84
  4. Step 4: Simplify right side
    345,197.30x = 90,588,937,877.90
  5. Step 5: Solve for x
    x = 90,588,937,877.90/345,197.30
  6. Step 6: Final answer
    x = 262,426.55

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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.