Home / 282,840.94-390,404.87-186,119.38

Finding the Fourth Proportional to 282,840.94, 390,404.87 and 186,119.38

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Solution

The fourth proportional to 282,840.94, 390,404.87 and 186,119.38 is: 256,900.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    282,840.94 : 390,404.87 = 186,119.38 : x
  2. Step 2: Convert to fraction form
    282,840.94/390,404.87 = 186,119.38/x
  3. Step 3: Cross multiply
    282,840.94x = 390,404.87 × 186,119.38
  4. Step 4: Simplify right side
    282,840.94x = 72,661,912,353.38
  5. Step 5: Solve for x
    x = 72,661,912,353.38/282,840.94
  6. Step 6: Final answer
    x = 256,900.26

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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.