Home / 353,465.30-530,118.07-100,740.38

Finding the Fourth Proportional to 353,465.30, 530,118.07 and 100,740.38

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Solution

The fourth proportional to 353,465.30, 530,118.07 and 100,740.38 is: 151,087.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,465.30 : 530,118.07 = 100,740.38 : x
  2. Step 2: Convert to fraction form
    353,465.30/530,118.07 = 100,740.38/x
  3. Step 3: Cross multiply
    353,465.30x = 530,118.07 × 100,740.38
  4. Step 4: Simplify right side
    353,465.30x = 53,404,292,914.23
  5. Step 5: Solve for x
    x = 53,404,292,914.23/353,465.30
  6. Step 6: Final answer
    x = 151,087.79

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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.