Home / 171,361.09-257,035.23-45,000.19

Finding the Fourth Proportional to 171,361.09, 257,035.23 and 45,000.19

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Solution

The fourth proportional to 171,361.09, 257,035.23 and 45,000.19 is: 67,498.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,361.09 : 257,035.23 = 45,000.19 : x
  2. Step 2: Convert to fraction form
    171,361.09/257,035.23 = 45,000.19/x
  3. Step 3: Cross multiply
    171,361.09x = 257,035.23 × 45,000.19
  4. Step 4: Simplify right side
    171,361.09x = 11,566,634,186.69
  5. Step 5: Solve for x
    x = 11,566,634,186.69/171,361.09
  6. Step 6: Final answer
    x = 67,498.60

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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.