Home / 315,705.05-473,744.40-116,165.55

Finding the Fourth Proportional to 315,705.05, 473,744.40 and 116,165.55

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Solution

The fourth proportional to 315,705.05, 473,744.40 and 116,165.55 is: 174,317.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,705.05 : 473,744.40 = 116,165.55 : x
  2. Step 2: Convert to fraction form
    315,705.05/473,744.40 = 116,165.55/x
  3. Step 3: Cross multiply
    315,705.05x = 473,744.40 × 116,165.55
  4. Step 4: Simplify right side
    315,705.05x = 55,032,780,126.34
  5. Step 5: Solve for x
    x = 55,032,780,126.34/315,705.05
  6. Step 6: Final answer
    x = 174,317.07

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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.