Home / 174,764.40-261,628.20-115,666.80

Finding the Fourth Proportional to 174,764.40, 261,628.20 and 115,666.80

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Solution

The fourth proportional to 174,764.40, 261,628.20 and 115,666.80 is: 173,157.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,764.40 : 261,628.20 = 115,666.80 : x
  2. Step 2: Convert to fraction form
    174,764.40/261,628.20 = 115,666.80/x
  3. Step 3: Cross multiply
    174,764.40x = 261,628.20 × 115,666.80
  4. Step 4: Simplify right side
    174,764.40x = 30,261,696,683.76
  5. Step 5: Solve for x
    x = 30,261,696,683.76/174,764.40
  6. Step 6: Final answer
    x = 173,157.10

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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.