Home / 177,999.85-266,999.78-171,779.05

Finding the Fourth Proportional to 177,999.85, 266,999.78 and 171,779.05

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Solution

The fourth proportional to 177,999.85, 266,999.78 and 171,779.05 is: 257,668.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,999.85 : 266,999.78 = 171,779.05 : x
  2. Step 2: Convert to fraction form
    177,999.85/266,999.78 = 171,779.05/x
  3. Step 3: Cross multiply
    177,999.85x = 266,999.78 × 171,779.05
  4. Step 4: Simplify right side
    177,999.85x = 45,864,967,699.71
  5. Step 5: Solve for x
    x = 45,864,967,699.71/177,999.85
  6. Step 6: Final answer
    x = 257,668.58

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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.