Home / 330,090.76-455,536.04-186,847.72

Finding the Fourth Proportional to 330,090.76, 455,536.04 and 186,847.72

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Solution

The fourth proportional to 330,090.76, 455,536.04 and 186,847.72 is: 257,855.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,090.76 : 455,536.04 = 186,847.72 : x
  2. Step 2: Convert to fraction form
    330,090.76/455,536.04 = 186,847.72/x
  3. Step 3: Cross multiply
    330,090.76x = 455,536.04 × 186,847.72
  4. Step 4: Simplify right side
    330,090.76x = 85,115,870,451.83
  5. Step 5: Solve for x
    x = 85,115,870,451.83/330,090.76
  6. Step 6: Final answer
    x = 257,855.96

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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.