Home / 317,968.35-438,700.64-190,597.47

Finding the Fourth Proportional to 317,968.35, 438,700.64 and 190,597.47

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Solution

The fourth proportional to 317,968.35, 438,700.64 and 190,597.47 is: 262,967.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,968.35 : 438,700.64 = 190,597.47 : x
  2. Step 2: Convert to fraction form
    317,968.35/438,700.64 = 190,597.47/x
  3. Step 3: Cross multiply
    317,968.35x = 438,700.64 × 190,597.47
  4. Step 4: Simplify right side
    317,968.35x = 83,615,231,118.39
  5. Step 5: Solve for x
    x = 83,615,231,118.39/317,968.35
  6. Step 6: Final answer
    x = 262,967.15

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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.