Home / 144,417.48-199,314.68-80,758.84

Finding the Fourth Proportional to 144,417.48, 199,314.68 and 80,758.84

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Solution

The fourth proportional to 144,417.48, 199,314.68 and 80,758.84 is: 111,457.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,417.48 : 199,314.68 = 80,758.84 : x
  2. Step 2: Convert to fraction form
    144,417.48/199,314.68 = 80,758.84/x
  3. Step 3: Cross multiply
    144,417.48x = 199,314.68 × 80,758.84
  4. Step 4: Simplify right side
    144,417.48x = 16,096,422,351.77
  5. Step 5: Solve for x
    x = 16,096,422,351.77/144,417.48
  6. Step 6: Final answer
    x = 111,457.58

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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.