Home / 174,779.30-261,851.99-80,088.58

Finding the Fourth Proportional to 174,779.30, 261,851.99 and 80,088.58

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Solution

The fourth proportional to 174,779.30, 261,851.99 and 80,088.58 is: 119,987.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,779.30 : 261,851.99 = 80,088.58 : x
  2. Step 2: Convert to fraction form
    174,779.30/261,851.99 = 80,088.58/x
  3. Step 3: Cross multiply
    174,779.30x = 261,851.99 × 80,088.58
  4. Step 4: Simplify right side
    174,779.30x = 20,971,353,976.15
  5. Step 5: Solve for x
    x = 20,971,353,976.15/174,779.30
  6. Step 6: Final answer
    x = 119,987.63

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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.