Home / 260,590.18-390,942.66-148,323.22

Finding the Fourth Proportional to 260,590.18, 390,942.66 and 148,323.22

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Solution

The fourth proportional to 260,590.18, 390,942.66 and 148,323.22 is: 222,517.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,590.18 : 390,942.66 = 148,323.22 : x
  2. Step 2: Convert to fraction form
    260,590.18/390,942.66 = 148,323.22/x
  3. Step 3: Cross multiply
    260,590.18x = 390,942.66 × 148,323.22
  4. Step 4: Simplify right side
    260,590.18x = 57,985,874,166.57
  5. Step 5: Solve for x
    x = 57,985,874,166.57/260,590.18
  6. Step 6: Final answer
    x = 222,517.50

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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.