Home / 330,333.35-455,897.84-185,178.34

Finding the Fourth Proportional to 330,333.35, 455,897.84 and 185,178.34

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Solution

The fourth proportional to 330,333.35, 455,897.84 and 185,178.34 is: 255,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,333.35 : 455,897.84 = 185,178.34 : x
  2. Step 2: Convert to fraction form
    330,333.35/455,897.84 = 185,178.34/x
  3. Step 3: Cross multiply
    330,333.35x = 455,897.84 × 185,178.34
  4. Step 4: Simplify right side
    330,333.35x = 84,422,404,543.99
  5. Step 5: Solve for x
    x = 84,422,404,543.99/330,333.35
  6. Step 6: Final answer
    x = 255,567.30

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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.