Home / 144,141.06-198,924.48-80,477.52

Finding the Fourth Proportional to 144,141.06, 198,924.48 and 80,477.52

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Solution

The fourth proportional to 144,141.06, 198,924.48 and 80,477.52 is: 111,064.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,141.06 : 198,924.48 = 80,477.52 : x
  2. Step 2: Convert to fraction form
    144,141.06/198,924.48 = 80,477.52/x
  3. Step 3: Cross multiply
    144,141.06x = 198,924.48 × 80,477.52
  4. Step 4: Simplify right side
    144,141.06x = 16,008,948,817.69
  5. Step 5: Solve for x
    x = 16,008,948,817.69/144,141.06
  6. Step 6: Final answer
    x = 111,064.46

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1.5x scale

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.