Home / 189,077.19-260,925.28-104,194.32

Finding the Fourth Proportional to 189,077.19, 260,925.28 and 104,194.32

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Solution

The fourth proportional to 189,077.19, 260,925.28 and 104,194.32 is: 143,787.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,077.19 : 260,925.28 = 104,194.32 : x
  2. Step 2: Convert to fraction form
    189,077.19/260,925.28 = 104,194.32/x
  3. Step 3: Cross multiply
    189,077.19x = 260,925.28 × 104,194.32
  4. Step 4: Simplify right side
    189,077.19x = 27,186,931,859.92
  5. Step 5: Solve for x
    x = 27,186,931,859.92/189,077.19
  6. Step 6: Final answer
    x = 143,787.48

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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.