Home / 315,050.40-472,605.03-125,465.04

Finding the Fourth Proportional to 315,050.40, 472,605.03 and 125,465.04

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Solution

The fourth proportional to 315,050.40, 472,605.03 and 125,465.04 is: 188,209.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,050.40 : 472,605.03 = 125,465.04 : x
  2. Step 2: Convert to fraction form
    315,050.40/472,605.03 = 125,465.04/x
  3. Step 3: Cross multiply
    315,050.40x = 472,605.03 × 125,465.04
  4. Step 4: Simplify right side
    315,050.40x = 59,295,408,993.15
  5. Step 5: Solve for x
    x = 59,295,408,993.15/315,050.40
  6. Step 6: Final answer
    x = 188,209.28

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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.