Home / 213,811.65-295,040.04-127,753.50

Finding the Fourth Proportional to 213,811.65, 295,040.04 and 127,753.50

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Solution

The fourth proportional to 213,811.65, 295,040.04 and 127,753.50 is: 176,287.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,811.65 : 295,040.04 = 127,753.50 : x
  2. Step 2: Convert to fraction form
    213,811.65/295,040.04 = 127,753.50/x
  3. Step 3: Cross multiply
    213,811.65x = 295,040.04 × 127,753.50
  4. Step 4: Simplify right side
    213,811.65x = 37,692,397,750.14
  5. Step 5: Solve for x
    x = 37,692,397,750.14/213,811.65
  6. Step 6: Final answer
    x = 176,287.86

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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.