Home / 317,443.23-438,076.98-174,216.60

Finding the Fourth Proportional to 317,443.23, 438,076.98 and 174,216.60

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Solution

The fourth proportional to 317,443.23, 438,076.98 and 174,216.60 is: 240,421.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,443.23 : 438,076.98 = 174,216.60 : x
  2. Step 2: Convert to fraction form
    317,443.23/438,076.98 = 174,216.60/x
  3. Step 3: Cross multiply
    317,443.23x = 438,076.98 × 174,216.60
  4. Step 4: Simplify right side
    317,443.23x = 76,320,281,993.87
  5. Step 5: Solve for x
    x = 76,320,281,993.87/317,443.23
  6. Step 6: Final answer
    x = 240,421.83

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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.