Home / 317,765.60-438,333.47-190,367.38

Finding the Fourth Proportional to 317,765.60, 438,333.47 and 190,367.38

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Solution

The fourth proportional to 317,765.60, 438,333.47 and 190,367.38 is: 262,597.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,765.60 : 438,333.47 = 190,367.38 : x
  2. Step 2: Convert to fraction form
    317,765.60/438,333.47 = 190,367.38/x
  3. Step 3: Cross multiply
    317,765.60x = 438,333.47 × 190,367.38
  4. Step 4: Simplify right side
    317,765.60x = 83,444,395,630.98
  5. Step 5: Solve for x
    x = 83,444,395,630.98/317,765.60
  6. Step 6: Final answer
    x = 262,597.32

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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.