Home / 328,878.20-493,261.66-92,166.40

Finding the Fourth Proportional to 328,878.20, 493,261.66 and 92,166.40

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Solution

The fourth proportional to 328,878.20, 493,261.66 and 92,166.40 is: 138,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,878.20 : 493,261.66 = 92,166.40 : x
  2. Step 2: Convert to fraction form
    328,878.20/493,261.66 = 92,166.40/x
  3. Step 3: Cross multiply
    328,878.20x = 493,261.66 × 92,166.40
  4. Step 4: Simplify right side
    328,878.20x = 45,462,151,460.22
  5. Step 5: Solve for x
    x = 45,462,151,460.22/328,878.20
  6. Step 6: Final answer
    x = 138,234.01

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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.