Home / 174,211.80-261,404.10-99,389.40

Finding the Fourth Proportional to 174,211.80, 261,404.10 and 99,389.40

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Solution

The fourth proportional to 174,211.80, 261,404.10 and 99,389.40 is: 149,133.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,211.80 : 261,404.10 = 99,389.40 : x
  2. Step 2: Convert to fraction form
    174,211.80/261,404.10 = 99,389.40/x
  3. Step 3: Cross multiply
    174,211.80x = 261,404.10 × 99,389.40
  4. Step 4: Simplify right side
    174,211.80x = 25,980,796,656.54
  5. Step 5: Solve for x
    x = 25,980,796,656.54/174,211.80
  6. Step 6: Final answer
    x = 149,133.39

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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.