Home / 174,842.45-261,268.34-131,281.40

Finding the Fourth Proportional to 174,842.45, 261,268.34 and 131,281.40

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Solution

The fourth proportional to 174,842.45, 261,268.34 and 131,281.40 is: 196,174.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,842.45 : 261,268.34 = 131,281.40 : x
  2. Step 2: Convert to fraction form
    174,842.45/261,268.34 = 131,281.40/x
  3. Step 3: Cross multiply
    174,842.45x = 261,268.34 × 131,281.40
  4. Step 4: Simplify right side
    174,842.45x = 34,299,671,488.13
  5. Step 5: Solve for x
    x = 34,299,671,488.13/174,842.45
  6. Step 6: Final answer
    x = 196,174.74

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.