Home / 243,375.09-365,075.52-75,011.05

Finding the Fourth Proportional to 243,375.09, 365,075.52 and 75,011.05

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Solution

The fourth proportional to 243,375.09, 365,075.52 and 75,011.05 is: 112,520.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,375.09 : 365,075.52 = 75,011.05 : x
  2. Step 2: Convert to fraction form
    243,375.09/365,075.52 = 75,011.05/x
  3. Step 3: Cross multiply
    243,375.09x = 365,075.52 × 75,011.05
  4. Step 4: Simplify right side
    243,375.09x = 27,384,698,084.50
  5. Step 5: Solve for x
    x = 27,384,698,084.50/243,375.09
  6. Step 6: Final answer
    x = 112,520.55

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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.