Home / 315,904.16-473,358.09-115,949.45

Finding the Fourth Proportional to 315,904.16, 473,358.09 and 115,949.45

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Solution

The fourth proportional to 315,904.16, 473,358.09 and 115,949.45 is: 173,741.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,904.16 : 473,358.09 = 115,949.45 : x
  2. Step 2: Convert to fraction form
    315,904.16/473,358.09 = 115,949.45/x
  3. Step 3: Cross multiply
    315,904.16x = 473,358.09 × 115,949.45
  4. Step 4: Simplify right side
    315,904.16x = 54,885,610,188.55
  5. Step 5: Solve for x
    x = 54,885,610,188.55/315,904.16
  6. Step 6: Final answer
    x = 173,741.33

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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.