Home / 315,910.05-473,948.16-113,526.60

Finding the Fourth Proportional to 315,910.05, 473,948.16 and 113,526.60

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Solution

The fourth proportional to 315,910.05, 473,948.16 and 113,526.60 is: 170,319.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,910.05 : 473,948.16 = 113,526.60 : x
  2. Step 2: Convert to fraction form
    315,910.05/473,948.16 = 113,526.60/x
  3. Step 3: Cross multiply
    315,910.05x = 473,948.16 × 113,526.60
  4. Step 4: Simplify right side
    315,910.05x = 53,805,723,181.06
  5. Step 5: Solve for x
    x = 53,805,723,181.06/315,910.05
  6. Step 6: Final answer
    x = 170,319.76

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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.