Home / 205,045.35-307,554.36-98,505.65

Finding the Fourth Proportional to 205,045.35, 307,554.36 and 98,505.65

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Solution

The fourth proportional to 205,045.35, 307,554.36 and 98,505.65 is: 147,751.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,045.35 : 307,554.36 = 98,505.65 : x
  2. Step 2: Convert to fraction form
    205,045.35/307,554.36 = 98,505.65/x
  3. Step 3: Cross multiply
    205,045.35x = 307,554.36 × 98,505.65
  4. Step 4: Simplify right side
    205,045.35x = 30,295,840,604.36
  5. Step 5: Solve for x
    x = 30,295,840,604.36/205,045.35
  6. Step 6: Final answer
    x = 147,751.90

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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.