Home / 189,858.93-262,021.19-109,312.53

Finding the Fourth Proportional to 189,858.93, 262,021.19 and 109,312.53

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Solution

The fourth proportional to 189,858.93, 262,021.19 and 109,312.53 is: 150,860.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,858.93 : 262,021.19 = 109,312.53 : x
  2. Step 2: Convert to fraction form
    189,858.93/262,021.19 = 109,312.53/x
  3. Step 3: Cross multiply
    189,858.93x = 262,021.19 × 109,312.53
  4. Step 4: Simplify right side
    189,858.93x = 28,642,199,192.51
  5. Step 5: Solve for x
    x = 28,642,199,192.51/189,858.93
  6. Step 6: Final answer
    x = 150,860.43

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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.