Home / 291,742.56-437,787.18-125,530.56

Finding the Fourth Proportional to 291,742.56, 437,787.18 and 125,530.56

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Solution

The fourth proportional to 291,742.56, 437,787.18 and 125,530.56 is: 188,370.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,742.56 : 437,787.18 = 125,530.56 : x
  2. Step 2: Convert to fraction form
    291,742.56/437,787.18 = 125,530.56/x
  3. Step 3: Cross multiply
    291,742.56x = 437,787.18 × 125,530.56
  4. Step 4: Simplify right side
    291,742.56x = 54,955,669,866.22
  5. Step 5: Solve for x
    x = 54,955,669,866.22/291,742.56
  6. Step 6: Final answer
    x = 188,370.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.