Home / 180,281.92-248,787.48-99,715.36

Finding the Fourth Proportional to 180,281.92, 248,787.48 and 99,715.36

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Solution

The fourth proportional to 180,281.92, 248,787.48 and 99,715.36 is: 137,606.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,281.92 : 248,787.48 = 99,715.36 : x
  2. Step 2: Convert to fraction form
    180,281.92/248,787.48 = 99,715.36/x
  3. Step 3: Cross multiply
    180,281.92x = 248,787.48 × 99,715.36
  4. Step 4: Simplify right side
    180,281.92x = 24,807,933,131.69
  5. Step 5: Solve for x
    x = 24,807,933,131.69/180,281.92
  6. Step 6: Final answer
    x = 137,606.33

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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.