Home / 205,238.75-307,779.68-98,592.32

Finding the Fourth Proportional to 205,238.75, 307,779.68 and 98,592.32

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Solution

The fourth proportional to 205,238.75, 307,779.68 and 98,592.32 is: 147,850.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,238.75 : 307,779.68 = 98,592.32 : x
  2. Step 2: Convert to fraction form
    205,238.75/307,779.68 = 98,592.32/x
  3. Step 3: Cross multiply
    205,238.75x = 307,779.68 × 98,592.32
  4. Step 4: Simplify right side
    205,238.75x = 30,344,710,668.20
  5. Step 5: Solve for x
    x = 30,344,710,668.20/205,238.75
  6. Step 6: Final answer
    x = 147,850.79

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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.