Home / 281,742.39-388,803.69-152,684.42

Finding the Fourth Proportional to 281,742.39, 388,803.69 and 152,684.42

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Solution

The fourth proportional to 281,742.39, 388,803.69 and 152,684.42 is: 210,704.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,742.39 : 388,803.69 = 152,684.42 : x
  2. Step 2: Convert to fraction form
    281,742.39/388,803.69 = 152,684.42/x
  3. Step 3: Cross multiply
    281,742.39x = 388,803.69 × 152,684.42
  4. Step 4: Simplify right side
    281,742.39x = 59,364,263,957.49
  5. Step 5: Solve for x
    x = 59,364,263,957.49/281,742.39
  6. Step 6: Final answer
    x = 210,704.05

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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.