Home / 189,932.44-262,111.28-105,051.16

Finding the Fourth Proportional to 189,932.44, 262,111.28 and 105,051.16

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Solution

The fourth proportional to 189,932.44, 262,111.28 and 105,051.16 is: 144,973.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,932.44 : 262,111.28 = 105,051.16 : x
  2. Step 2: Convert to fraction form
    189,932.44/262,111.28 = 105,051.16/x
  3. Step 3: Cross multiply
    189,932.44x = 262,111.28 × 105,051.16
  4. Step 4: Simplify right side
    189,932.44x = 27,535,094,013.08
  5. Step 5: Solve for x
    x = 27,535,094,013.08/189,932.44
  6. Step 6: Final answer
    x = 144,973.10

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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.