Home / 227,805.18-314,518.95-203,890.38

Finding the Fourth Proportional to 227,805.18, 314,518.95 and 203,890.38

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Solution

The fourth proportional to 227,805.18, 314,518.95 and 203,890.38 is: 281,501.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,805.18 : 314,518.95 = 203,890.38 : x
  2. Step 2: Convert to fraction form
    227,805.18/314,518.95 = 203,890.38/x
  3. Step 3: Cross multiply
    227,805.18x = 314,518.95 × 203,890.38
  4. Step 4: Simplify right side
    227,805.18x = 64,127,388,232.70
  5. Step 5: Solve for x
    x = 64,127,388,232.70/227,805.18
  6. Step 6: Final answer
    x = 281,501.01

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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.