Home / 330,317.22-455,846.22-187,075.20

Finding the Fourth Proportional to 330,317.22, 455,846.22 and 187,075.20

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Solution

The fourth proportional to 330,317.22, 455,846.22 and 187,075.20 is: 258,168.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,317.22 : 455,846.22 = 187,075.20 : x
  2. Step 2: Convert to fraction form
    330,317.22/455,846.22 = 187,075.20/x
  3. Step 3: Cross multiply
    330,317.22x = 455,846.22 × 187,075.20
  4. Step 4: Simplify right side
    330,317.22x = 85,277,522,775.74
  5. Step 5: Solve for x
    x = 85,277,522,775.74/330,317.22
  6. Step 6: Final answer
    x = 258,168.57

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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.