Home / 345,029.85-476,155.13-192,074.31

Finding the Fourth Proportional to 345,029.85, 476,155.13 and 192,074.31

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Solution

The fourth proportional to 345,029.85, 476,155.13 and 192,074.31 is: 265,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,029.85 : 476,155.13 = 192,074.31 : x
  2. Step 2: Convert to fraction form
    345,029.85/476,155.13 = 192,074.31/x
  3. Step 3: Cross multiply
    345,029.85x = 476,155.13 × 192,074.31
  4. Step 4: Simplify right side
    345,029.85x = 91,457,167,087.34
  5. Step 5: Solve for x
    x = 91,457,167,087.34/345,029.85
  6. Step 6: Final answer
    x = 265,070.30

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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.