Home / 334,743.78-461,743.56-198,688.08

Finding the Fourth Proportional to 334,743.78, 461,743.56 and 198,688.08

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Solution

The fourth proportional to 334,743.78, 461,743.56 and 198,688.08 is: 274,069.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,743.78 : 461,743.56 = 198,688.08 : x
  2. Step 2: Convert to fraction form
    334,743.78/461,743.56 = 198,688.08/x
  3. Step 3: Cross multiply
    334,743.78x = 461,743.56 × 198,688.08
  4. Step 4: Simplify right side
    334,743.78x = 91,742,941,388.76
  5. Step 5: Solve for x
    x = 91,742,941,388.76/334,743.78
  6. Step 6: Final answer
    x = 274,069.14

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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.