Home / 144,355.10-199,214.44-80,695.58

Finding the Fourth Proportional to 144,355.10, 199,214.44 and 80,695.58

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Solution

The fourth proportional to 144,355.10, 199,214.44 and 80,695.58 is: 111,362.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,355.10 : 199,214.44 = 80,695.58 : x
  2. Step 2: Convert to fraction form
    144,355.10/199,214.44 = 80,695.58/x
  3. Step 3: Cross multiply
    144,355.10x = 199,214.44 × 80,695.58
  4. Step 4: Simplify right side
    144,355.10x = 16,075,723,582.36
  5. Step 5: Solve for x
    x = 16,075,723,582.36/144,355.10
  6. Step 6: Final answer
    x = 111,362.36

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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.