Home / 174,203.80-261,392.10-99,381.40

Finding the Fourth Proportional to 174,203.80, 261,392.10 and 99,381.40

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Solution

The fourth proportional to 174,203.80, 261,392.10 and 99,381.40 is: 149,121.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,203.80 : 261,392.10 = 99,381.40 : x
  2. Step 2: Convert to fraction form
    174,203.80/261,392.10 = 99,381.40/x
  3. Step 3: Cross multiply
    174,203.80x = 261,392.10 × 99,381.40
  4. Step 4: Simplify right side
    174,203.80x = 25,977,512,846.94
  5. Step 5: Solve for x
    x = 25,977,512,846.94/174,203.80
  6. Step 6: Final answer
    x = 149,121.39

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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.