Home / 261,166.55-391,799.00-186,100.48

Finding the Fourth Proportional to 261,166.55, 391,799.00 and 186,100.48

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Solution

The fourth proportional to 261,166.55, 391,799.00 and 186,100.48 is: 279,185.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,166.55 : 391,799.00 = 186,100.48 : x
  2. Step 2: Convert to fraction form
    261,166.55/391,799.00 = 186,100.48/x
  3. Step 3: Cross multiply
    261,166.55x = 391,799.00 × 186,100.48
  4. Step 4: Simplify right side
    261,166.55x = 72,913,979,074.02
  5. Step 5: Solve for x
    x = 72,913,979,074.02/261,166.55
  6. Step 6: Final answer
    x = 279,185.75

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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.