Home / 174,401.40-261,083.70-115,303.80

Finding the Fourth Proportional to 174,401.40, 261,083.70 and 115,303.80

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Solution

The fourth proportional to 174,401.40, 261,083.70 and 115,303.80 is: 172,612.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,401.40 : 261,083.70 = 115,303.80 : x
  2. Step 2: Convert to fraction form
    174,401.40/261,083.70 = 115,303.80/x
  3. Step 3: Cross multiply
    174,401.40x = 261,083.70 × 115,303.80
  4. Step 4: Simplify right side
    174,401.40x = 30,103,942,728.06
  5. Step 5: Solve for x
    x = 30,103,942,728.06/174,401.40
  6. Step 6: Final answer
    x = 172,612.96

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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.