Home / 152,675.59-228,779.84-81,608.34

Finding the Fourth Proportional to 152,675.59, 228,779.84 and 81,608.34

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Solution

The fourth proportional to 152,675.59, 228,779.84 and 81,608.34 is: 122,287.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,675.59 : 228,779.84 = 81,608.34 : x
  2. Step 2: Convert to fraction form
    152,675.59/228,779.84 = 81,608.34/x
  3. Step 3: Cross multiply
    152,675.59x = 228,779.84 × 81,608.34
  4. Step 4: Simplify right side
    152,675.59x = 18,670,342,967.87
  5. Step 5: Solve for x
    x = 18,670,342,967.87/152,675.59
  6. Step 6: Final answer
    x = 122,287.68

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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.