Home / 351,210.74-526,356.67-140,996.18

Finding the Fourth Proportional to 351,210.74, 526,356.67 and 140,996.18

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Solution

The fourth proportional to 351,210.74, 526,356.67 and 140,996.18 is: 211,309.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,210.74 : 526,356.67 = 140,996.18 : x
  2. Step 2: Convert to fraction form
    351,210.74/526,356.67 = 140,996.18/x
  3. Step 3: Cross multiply
    351,210.74x = 526,356.67 × 140,996.18
  4. Step 4: Simplify right side
    351,210.74x = 74,214,279,787.52
  5. Step 5: Solve for x
    x = 74,214,279,787.52/351,210.74
  6. Step 6: Final answer
    x = 211,309.82

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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.