Home / 174,379.42-261,567.86-115,478.74

Finding the Fourth Proportional to 174,379.42, 261,567.86 and 115,478.74

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Solution

The fourth proportional to 174,379.42, 261,567.86 and 115,478.74 is: 173,217.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,379.42 : 261,567.86 = 115,478.74 : x
  2. Step 2: Convert to fraction form
    174,379.42/261,567.86 = 115,478.74/x
  3. Step 3: Cross multiply
    174,379.42x = 261,567.86 × 115,478.74
  4. Step 4: Simplify right side
    174,379.42x = 30,205,526,897.30
  5. Step 5: Solve for x
    x = 30,205,526,897.30/174,379.42
  6. Step 6: Final answer
    x = 173,217.27

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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.