Home / 330,374.08-455,907.37-187,180.26

Finding the Fourth Proportional to 330,374.08, 455,907.37 and 187,180.26

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Solution

The fourth proportional to 330,374.08, 455,907.37 and 187,180.26 is: 258,303.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,374.08 : 455,907.37 = 187,180.26 : x
  2. Step 2: Convert to fraction form
    330,374.08/455,907.37 = 187,180.26/x
  3. Step 3: Cross multiply
    330,374.08x = 455,907.37 × 187,180.26
  4. Step 4: Simplify right side
    330,374.08x = 85,336,860,052.52
  5. Step 5: Solve for x
    x = 85,336,860,052.52/330,374.08
  6. Step 6: Final answer
    x = 258,303.74

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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.