Home / 366,112.20-549,168.30-208,648.20

Finding the Fourth Proportional to 366,112.20, 549,168.30 and 208,648.20

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Solution

The fourth proportional to 366,112.20, 549,168.30 and 208,648.20 is: 312,972.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,112.20 : 549,168.30 = 208,648.20 : x
  2. Step 2: Convert to fraction form
    366,112.20/549,168.30 = 208,648.20/x
  3. Step 3: Cross multiply
    366,112.20x = 549,168.30 × 208,648.20
  4. Step 4: Simplify right side
    366,112.20x = 114,582,977,292.06
  5. Step 5: Solve for x
    x = 114,582,977,292.06/366,112.20
  6. Step 6: Final answer
    x = 312,972.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.