Home / 457,184.10-685,840.40-190,884.04

Finding the Fourth Proportional to 457,184.10, 685,840.40 and 190,884.04

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Solution

The fourth proportional to 457,184.10, 685,840.40 and 190,884.04 is: 286,352.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,184.10 : 685,840.40 = 190,884.04 : x
  2. Step 2: Convert to fraction form
    457,184.10/685,840.40 = 190,884.04/x
  3. Step 3: Cross multiply
    457,184.10x = 685,840.40 × 190,884.04
  4. Step 4: Simplify right side
    457,184.10x = 130,915,986,347.22
  5. Step 5: Solve for x
    x = 130,915,986,347.22/457,184.10
  6. Step 6: Final answer
    x = 286,352.89

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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.