Home / 190,178.12-262,166.34-144,777.02

Finding the Fourth Proportional to 190,178.12, 262,166.34 and 144,777.02

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Solution

The fourth proportional to 190,178.12, 262,166.34 and 144,777.02 is: 199,579.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,178.12 : 262,166.34 = 144,777.02 : x
  2. Step 2: Convert to fraction form
    190,178.12/262,166.34 = 144,777.02/x
  3. Step 3: Cross multiply
    190,178.12x = 262,166.34 × 144,777.02
  4. Step 4: Simplify right side
    190,178.12x = 37,955,661,449.51
  5. Step 5: Solve for x
    x = 37,955,661,449.51/190,178.12
  6. Step 6: Final answer
    x = 199,579.54

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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.