Home / 123,623.81-185,450.19-39,354.45

Finding the Fourth Proportional to 123,623.81, 185,450.19 and 39,354.45

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Solution

The fourth proportional to 123,623.81, 185,450.19 and 39,354.45 is: 59,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,623.81 : 185,450.19 = 39,354.45 : x
  2. Step 2: Convert to fraction form
    123,623.81/185,450.19 = 39,354.45/x
  3. Step 3: Cross multiply
    123,623.81x = 185,450.19 × 39,354.45
  4. Step 4: Simplify right side
    123,623.81x = 7,298,290,229.85
  5. Step 5: Solve for x
    x = 7,298,290,229.85/123,623.81
  6. Step 6: Final answer
    x = 59,036.28

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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.