Home / 282,240.94-389,497.53-154,928.38

Finding the Fourth Proportional to 282,240.94, 389,497.53 and 154,928.38

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Solution

The fourth proportional to 282,240.94, 389,497.53 and 154,928.38 is: 213,803.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,240.94 : 389,497.53 = 154,928.38 : x
  2. Step 2: Convert to fraction form
    282,240.94/389,497.53 = 154,928.38/x
  3. Step 3: Cross multiply
    282,240.94x = 389,497.53 × 154,928.38
  4. Step 4: Simplify right side
    282,240.94x = 60,344,221,336.90
  5. Step 5: Solve for x
    x = 60,344,221,336.90/282,240.94
  6. Step 6: Final answer
    x = 213,803.93

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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.