Home / 315,918.05-473,960.16-113,534.60

Finding the Fourth Proportional to 315,918.05, 473,960.16 and 113,534.60

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Solution

The fourth proportional to 315,918.05, 473,960.16 and 113,534.60 is: 170,331.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,918.05 : 473,960.16 = 113,534.60 : x
  2. Step 2: Convert to fraction form
    315,918.05/473,960.16 = 113,534.60/x
  3. Step 3: Cross multiply
    315,918.05x = 473,960.16 × 113,534.60
  4. Step 4: Simplify right side
    315,918.05x = 53,810,874,811.74
  5. Step 5: Solve for x
    x = 53,810,874,811.74/315,918.05
  6. Step 6: Final answer
    x = 170,331.75

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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.