Home / 276,057.07-414,085.40-89,068.57

Finding the Fourth Proportional to 276,057.07, 414,085.40 and 89,068.57

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Solution

The fourth proportional to 276,057.07, 414,085.40 and 89,068.57 is: 133,602.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,057.07 : 414,085.40 = 89,068.57 : x
  2. Step 2: Convert to fraction form
    276,057.07/414,085.40 = 89,068.57/x
  3. Step 3: Cross multiply
    276,057.07x = 414,085.40 × 89,068.57
  4. Step 4: Simplify right side
    276,057.07x = 36,881,994,435.88
  5. Step 5: Solve for x
    x = 36,881,994,435.88/276,057.07
  6. Step 6: Final answer
    x = 133,602.79

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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.