Home / 301,087.23-415,518.75-173,771.01

Finding the Fourth Proportional to 301,087.23, 415,518.75 and 173,771.01

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Solution

The fourth proportional to 301,087.23, 415,518.75 and 173,771.01 is: 239,814.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,087.23 : 415,518.75 = 173,771.01 : x
  2. Step 2: Convert to fraction form
    301,087.23/415,518.75 = 173,771.01/x
  3. Step 3: Cross multiply
    301,087.23x = 415,518.75 × 173,771.01
  4. Step 4: Simplify right side
    301,087.23x = 72,205,112,861.44
  5. Step 5: Solve for x
    x = 72,205,112,861.44/301,087.23
  6. Step 6: Final answer
    x = 239,814.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.