Home / 190,216.04-262,218.66-144,815

Finding the Fourth Proportional to 190,216.04, 262,218.66 and 144,815

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Solution

The fourth proportional to 190,216.04, 262,218.66 and 144,815 is: 199,631.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,216.04 : 262,218.66 = 144,815 : x
  2. Step 2: Convert to fraction form
    190,216.04/262,218.66 = 144,815/x
  3. Step 3: Cross multiply
    190,216.04x = 262,218.66 × 144,815
  4. Step 4: Simplify right side
    190,216.04x = 37,973,195,247.90
  5. Step 5: Solve for x
    x = 37,973,195,247.90/190,216.04
  6. Step 6: Final answer
    x = 199,631.93

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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.