Home / 211,762.32-317,558.70-93,349.50

Finding the Fourth Proportional to 211,762.32, 317,558.70 and 93,349.50

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Solution

The fourth proportional to 211,762.32, 317,558.70 and 93,349.50 is: 139,986.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,762.32 : 317,558.70 = 93,349.50 : x
  2. Step 2: Convert to fraction form
    211,762.32/317,558.70 = 93,349.50/x
  3. Step 3: Cross multiply
    211,762.32x = 317,558.70 × 93,349.50
  4. Step 4: Simplify right side
    211,762.32x = 29,643,945,865.65
  5. Step 5: Solve for x
    x = 29,643,945,865.65/211,762.32
  6. Step 6: Final answer
    x = 139,986.88

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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.