Home / 235,314.16-324,780.78-139,802.44

Finding the Fourth Proportional to 235,314.16, 324,780.78 and 139,802.44

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Solution

The fourth proportional to 235,314.16, 324,780.78 and 139,802.44 is: 192,955.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,314.16 : 324,780.78 = 139,802.44 : x
  2. Step 2: Convert to fraction form
    235,314.16/324,780.78 = 139,802.44/x
  3. Step 3: Cross multiply
    235,314.16x = 324,780.78 × 139,802.44
  4. Step 4: Simplify right side
    235,314.16x = 45,405,145,509.10
  5. Step 5: Solve for x
    x = 45,405,145,509.10/235,314.16
  6. Step 6: Final answer
    x = 192,955.43

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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.