Home / 330,083.90-455,526.64-186,840.88

Finding the Fourth Proportional to 330,083.90, 455,526.64 and 186,840.88

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Solution

The fourth proportional to 330,083.90, 455,526.64 and 186,840.88 is: 257,846.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,083.90 : 455,526.64 = 186,840.88 : x
  2. Step 2: Convert to fraction form
    330,083.90/455,526.64 = 186,840.88/x
  3. Step 3: Cross multiply
    330,083.90x = 455,526.64 × 186,840.88
  4. Step 4: Simplify right side
    330,083.90x = 85,110,998,281.04
  5. Step 5: Solve for x
    x = 85,110,998,281.04/330,083.90
  6. Step 6: Final answer
    x = 257,846.56

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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.