Home / 259,415.33-357,856.98-211,071.30

Finding the Fourth Proportional to 259,415.33, 357,856.98 and 211,071.30

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Solution

The fourth proportional to 259,415.33, 357,856.98 and 211,071.30 is: 291,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,415.33 : 357,856.98 = 211,071.30 : x
  2. Step 2: Convert to fraction form
    259,415.33/357,856.98 = 211,071.30/x
  3. Step 3: Cross multiply
    259,415.33x = 357,856.98 × 211,071.30
  4. Step 4: Simplify right side
    259,415.33x = 75,533,337,982.67
  5. Step 5: Solve for x
    x = 75,533,337,982.67/259,415.33
  6. Step 6: Final answer
    x = 291,167.60

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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.