Home / 189,901.04-262,129.38-109,360.63

Finding the Fourth Proportional to 189,901.04, 262,129.38 and 109,360.63

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Solution

The fourth proportional to 189,901.04, 262,129.38 and 109,360.63 is: 150,955.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,901.04 : 262,129.38 = 109,360.63 : x
  2. Step 2: Convert to fraction form
    189,901.04/262,129.38 = 109,360.63/x
  3. Step 3: Cross multiply
    189,901.04x = 262,129.38 × 109,360.63
  4. Step 4: Simplify right side
    189,901.04x = 28,666,632,827.66
  5. Step 5: Solve for x
    x = 28,666,632,827.66/189,901.04
  6. Step 6: Final answer
    x = 150,955.64

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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.