Home / 227,740.25-314,281.57-127,138.25

Finding the Fourth Proportional to 227,740.25, 314,281.57 and 127,138.25

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Solution

The fourth proportional to 227,740.25, 314,281.57 and 127,138.25 is: 175,450.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,740.25 : 314,281.57 = 127,138.25 : x
  2. Step 2: Convert to fraction form
    227,740.25/314,281.57 = 127,138.25/x
  3. Step 3: Cross multiply
    227,740.25x = 314,281.57 × 127,138.25
  4. Step 4: Simplify right side
    227,740.25x = 39,957,208,499.21
  5. Step 5: Solve for x
    x = 39,957,208,499.21/227,740.25
  6. Step 6: Final answer
    x = 175,450.80

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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.