Home / 330,089.90-455,525.43-186,877.58

Finding the Fourth Proportional to 330,089.90, 455,525.43 and 186,877.58

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Solution

The fourth proportional to 330,089.90, 455,525.43 and 186,877.58 is: 257,891.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,089.90 : 455,525.43 = 186,877.58 : x
  2. Step 2: Convert to fraction form
    330,089.90/455,525.43 = 186,877.58/x
  3. Step 3: Cross multiply
    330,089.90x = 455,525.43 × 186,877.58
  4. Step 4: Simplify right side
    330,089.90x = 85,127,489,986.86
  5. Step 5: Solve for x
    x = 85,127,489,986.86/330,089.90
  6. Step 6: Final answer
    x = 257,891.83

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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.