Home / 351,054.12-526,580.70-140,839.68

Finding the Fourth Proportional to 351,054.12, 526,580.70 and 140,839.68

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Solution

The fourth proportional to 351,054.12, 526,580.70 and 140,839.68 is: 211,259.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,054.12 : 526,580.70 = 140,839.68 : x
  2. Step 2: Convert to fraction form
    351,054.12/526,580.70 = 140,839.68/x
  3. Step 3: Cross multiply
    351,054.12x = 526,580.70 × 140,839.68
  4. Step 4: Simplify right side
    351,054.12x = 74,163,457,282.18
  5. Step 5: Solve for x
    x = 74,163,457,282.18/351,054.12
  6. Step 6: Final answer
    x = 211,259.33

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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.