Home / 199,075.60-298,613.40-197,693.20

Finding the Fourth Proportional to 199,075.60, 298,613.40 and 197,693.20

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Solution

The fourth proportional to 199,075.60, 298,613.40 and 197,693.20 is: 296,539.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,075.60 : 298,613.40 = 197,693.20 : x
  2. Step 2: Convert to fraction form
    199,075.60/298,613.40 = 197,693.20/x
  3. Step 3: Cross multiply
    199,075.60x = 298,613.40 × 197,693.20
  4. Step 4: Simplify right side
    199,075.60x = 59,033,838,608.88
  5. Step 5: Solve for x
    x = 59,033,838,608.88/199,075.60
  6. Step 6: Final answer
    x = 296,539.80

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1.5x scale

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.