Home / 189,964.08-262,157.04-105,089.04

Finding the Fourth Proportional to 189,964.08, 262,157.04 and 105,089.04

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Solution

The fourth proportional to 189,964.08, 262,157.04 and 105,089.04 is: 145,026.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,964.08 : 262,157.04 = 105,089.04 : x
  2. Step 2: Convert to fraction form
    189,964.08/262,157.04 = 105,089.04/x
  3. Step 3: Cross multiply
    189,964.08x = 262,157.04 × 105,089.04
  4. Step 4: Simplify right side
    189,964.08x = 27,549,831,662.84
  5. Step 5: Solve for x
    x = 27,549,831,662.84/189,964.08
  6. Step 6: Final answer
    x = 145,026.53

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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.