Home / 177,779.07-266,668.62-71,211.42

Finding the Fourth Proportional to 177,779.07, 266,668.62 and 71,211.42

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Solution

The fourth proportional to 177,779.07, 266,668.62 and 71,211.42 is: 106,817.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,779.07 : 266,668.62 = 71,211.42 : x
  2. Step 2: Convert to fraction form
    177,779.07/266,668.62 = 71,211.42/x
  3. Step 3: Cross multiply
    177,779.07x = 266,668.62 × 71,211.42
  4. Step 4: Simplify right side
    177,779.07x = 18,989,851,099.64
  5. Step 5: Solve for x
    x = 18,989,851,099.64/177,779.07
  6. Step 6: Final answer
    x = 106,817.14

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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.