Home / 281,260.95-388,141.14-152,199.42

Finding the Fourth Proportional to 281,260.95, 388,141.14 and 152,199.42

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Solution

The fourth proportional to 281,260.95, 388,141.14 and 152,199.42 is: 210,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,260.95 : 388,141.14 = 152,199.42 : x
  2. Step 2: Convert to fraction form
    281,260.95/388,141.14 = 152,199.42/x
  3. Step 3: Cross multiply
    281,260.95x = 388,141.14 × 152,199.42
  4. Step 4: Simplify right side
    281,260.95x = 59,074,856,386.14
  5. Step 5: Solve for x
    x = 59,074,856,386.14/281,260.95
  6. Step 6: Final answer
    x = 210,035.76

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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.