Home / 281,226.40-388,032.42-166,541.08

Finding the Fourth Proportional to 281,226.40, 388,032.42 and 166,541.08

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Solution

The fourth proportional to 281,226.40, 388,032.42 and 166,541.08 is: 229,791.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,226.40 : 388,032.42 = 166,541.08 : x
  2. Step 2: Convert to fraction form
    281,226.40/388,032.42 = 166,541.08/x
  3. Step 3: Cross multiply
    281,226.40x = 388,032.42 × 166,541.08
  4. Step 4: Simplify right side
    281,226.40x = 64,623,338,301.81
  5. Step 5: Solve for x
    x = 64,623,338,301.81/281,226.40
  6. Step 6: Final answer
    x = 229,791.15

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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.