Home / 177,715.15-245,228.67-106,085.43

Finding the Fourth Proportional to 177,715.15, 245,228.67 and 106,085.43

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Solution

The fourth proportional to 177,715.15, 245,228.67 and 106,085.43 is: 146,387.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,715.15 : 245,228.67 = 106,085.43 : x
  2. Step 2: Convert to fraction form
    177,715.15/245,228.67 = 106,085.43/x
  3. Step 3: Cross multiply
    177,715.15x = 245,228.67 × 106,085.43
  4. Step 4: Simplify right side
    177,715.15x = 26,015,188,905.28
  5. Step 5: Solve for x
    x = 26,015,188,905.28/177,715.15
  6. Step 6: Final answer
    x = 146,387.01

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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.