Home / 281,541.56-388,527.52-154,219.28

Finding the Fourth Proportional to 281,541.56, 388,527.52 and 154,219.28

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Solution

The fourth proportional to 281,541.56, 388,527.52 and 154,219.28 is: 212,822.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,541.56 : 388,527.52 = 154,219.28 : x
  2. Step 2: Convert to fraction form
    281,541.56/388,527.52 = 154,219.28/x
  3. Step 3: Cross multiply
    281,541.56x = 388,527.52 × 154,219.28
  4. Step 4: Simplify right side
    281,541.56x = 59,918,434,394.59
  5. Step 5: Solve for x
    x = 59,918,434,394.59/281,541.56
  6. Step 6: Final answer
    x = 212,822.70

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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.