Home / 235,036.32-324,491.46-221,586.26

Finding the Fourth Proportional to 235,036.32, 324,491.46 and 221,586.26

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Solution

The fourth proportional to 235,036.32, 324,491.46 and 221,586.26 is: 305,922.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,036.32 : 324,491.46 = 221,586.26 : x
  2. Step 2: Convert to fraction form
    235,036.32/324,491.46 = 221,586.26/x
  3. Step 3: Cross multiply
    235,036.32x = 324,491.46 × 221,586.26
  4. Step 4: Simplify right side
    235,036.32x = 71,902,849,023.34
  5. Step 5: Solve for x
    x = 71,902,849,023.34/235,036.32
  6. Step 6: Final answer
    x = 305,922.29

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1.5x scale

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.