Home / 457,154.54-685,841.30-190,766.88

Finding the Fourth Proportional to 457,154.54, 685,841.30 and 190,766.88

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Solution

The fourth proportional to 457,154.54, 685,841.30 and 190,766.88 is: 286,196.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,154.54 : 685,841.30 = 190,766.88 : x
  2. Step 2: Convert to fraction form
    457,154.54/685,841.30 = 190,766.88/x
  3. Step 3: Cross multiply
    457,154.54x = 685,841.30 × 190,766.88
  4. Step 4: Simplify right side
    457,154.54x = 130,835,804,976.14
  5. Step 5: Solve for x
    x = 130,835,804,976.14/457,154.54
  6. Step 6: Final answer
    x = 286,196.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.