Home / 213,050.04-319,181.40-107,617.20

Finding the Fourth Proportional to 213,050.04, 319,181.40 and 107,617.20

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Solution

The fourth proportional to 213,050.04, 319,181.40 and 107,617.20 is: 161,226.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,050.04 : 319,181.40 = 107,617.20 : x
  2. Step 2: Convert to fraction form
    213,050.04/319,181.40 = 107,617.20/x
  3. Step 3: Cross multiply
    213,050.04x = 319,181.40 × 107,617.20
  4. Step 4: Simplify right side
    213,050.04x = 34,349,408,560.08
  5. Step 5: Solve for x
    x = 34,349,408,560.08/213,050.04
  6. Step 6: Final answer
    x = 161,226.95

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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.