Home / 301,280.04-415,766.16-165,314.76

Finding the Fourth Proportional to 301,280.04, 415,766.16 and 165,314.76

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Solution

The fourth proportional to 301,280.04, 415,766.16 and 165,314.76 is: 228,134.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,280.04 : 415,766.16 = 165,314.76 : x
  2. Step 2: Convert to fraction form
    301,280.04/415,766.16 = 165,314.76/x
  3. Step 3: Cross multiply
    301,280.04x = 415,766.16 × 165,314.76
  4. Step 4: Simplify right side
    301,280.04x = 68,732,282,956.52
  5. Step 5: Solve for x
    x = 68,732,282,956.52/301,280.04
  6. Step 6: Final answer
    x = 228,134.21

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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.