Home / 330,051.42-455,459.18-186,808.39

Finding the Fourth Proportional to 330,051.42, 455,459.18 and 186,808.39

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Solution

The fourth proportional to 330,051.42, 455,459.18 and 186,808.39 is: 257,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,051.42 : 455,459.18 = 186,808.39 : x
  2. Step 2: Convert to fraction form
    330,051.42/455,459.18 = 186,808.39/x
  3. Step 3: Cross multiply
    330,051.42x = 455,459.18 × 186,808.39
  4. Step 4: Simplify right side
    330,051.42x = 85,083,594,053.83
  5. Step 5: Solve for x
    x = 85,083,594,053.83/330,051.42
  6. Step 6: Final answer
    x = 257,788.90

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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.