Home / 243,069.40-364,604.10-223,823.80

Finding the Fourth Proportional to 243,069.40, 364,604.10 and 223,823.80

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Solution

The fourth proportional to 243,069.40, 364,604.10 and 223,823.80 is: 335,735.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,069.40 : 364,604.10 = 223,823.80 : x
  2. Step 2: Convert to fraction form
    243,069.40/364,604.10 = 223,823.80/x
  3. Step 3: Cross multiply
    243,069.40x = 364,604.10 × 223,823.80
  4. Step 4: Simplify right side
    243,069.40x = 81,607,075,157.58
  5. Step 5: Solve for x
    x = 81,607,075,157.58/243,069.40
  6. Step 6: Final answer
    x = 335,735.70

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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.