Home / 261,930.90-361,466.09-153,041.64

Finding the Fourth Proportional to 261,930.90, 361,466.09 and 153,041.64

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Solution

The fourth proportional to 261,930.90, 361,466.09 and 153,041.64 is: 211,198.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,930.90 : 361,466.09 = 153,041.64 : x
  2. Step 2: Convert to fraction form
    261,930.90/361,466.09 = 153,041.64/x
  3. Step 3: Cross multiply
    261,930.90x = 361,466.09 × 153,041.64
  4. Step 4: Simplify right side
    261,930.90x = 55,319,362,245.09
  5. Step 5: Solve for x
    x = 55,319,362,245.09/261,930.90
  6. Step 6: Final answer
    x = 211,198.30

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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.