Home / 430,854.26-646,276.86-111,004.83

Finding the Fourth Proportional to 430,854.26, 646,276.86 and 111,004.83

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Solution

The fourth proportional to 430,854.26, 646,276.86 and 111,004.83 is: 166,506.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,854.26 : 646,276.86 = 111,004.83 : x
  2. Step 2: Convert to fraction form
    430,854.26/646,276.86 = 111,004.83/x
  3. Step 3: Cross multiply
    430,854.26x = 646,276.86 × 111,004.83
  4. Step 4: Simplify right side
    430,854.26x = 71,739,852,977.23
  5. Step 5: Solve for x
    x = 71,739,852,977.23/430,854.26
  6. Step 6: Final answer
    x = 166,506.08

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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.