Home / 128,667.22-192,994.65-35,173.18

Finding the Fourth Proportional to 128,667.22, 192,994.65 and 35,173.18

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Solution

The fourth proportional to 128,667.22, 192,994.65 and 35,173.18 is: 52,758.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,667.22 : 192,994.65 = 35,173.18 : x
  2. Step 2: Convert to fraction form
    128,667.22/192,994.65 = 35,173.18/x
  3. Step 3: Cross multiply
    128,667.22x = 192,994.65 × 35,173.18
  4. Step 4: Simplify right side
    128,667.22x = 6,788,235,563.49
  5. Step 5: Solve for x
    x = 6,788,235,563.49/128,667.22
  6. Step 6: Final answer
    x = 52,758.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.