Home / 214,999.30-322,415.97-70,870.51

Finding the Fourth Proportional to 214,999.30, 322,415.97 and 70,870.51

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Solution

The fourth proportional to 214,999.30, 322,415.97 and 70,870.51 is: 106,278.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,999.30 : 322,415.97 = 70,870.51 : x
  2. Step 2: Convert to fraction form
    214,999.30/322,415.97 = 70,870.51/x
  3. Step 3: Cross multiply
    214,999.30x = 322,415.97 × 70,870.51
  4. Step 4: Simplify right side
    214,999.30x = 22,849,784,226.04
  5. Step 5: Solve for x
    x = 22,849,784,226.04/214,999.30
  6. Step 6: Final answer
    x = 106,278.41

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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.