Home / 315,928.80-473,917.68-105,567.48

Finding the Fourth Proportional to 315,928.80, 473,917.68 and 105,567.48

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Solution

The fourth proportional to 315,928.80, 473,917.68 and 105,567.48 is: 158,359.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,928.80 : 473,917.68 = 105,567.48 : x
  2. Step 2: Convert to fraction form
    315,928.80/473,917.68 = 105,567.48/x
  3. Step 3: Cross multiply
    315,928.80x = 473,917.68 × 105,567.48
  4. Step 4: Simplify right side
    315,928.80x = 50,030,295,205.05
  5. Step 5: Solve for x
    x = 50,030,295,205.05/315,928.80
  6. Step 6: Final answer
    x = 158,359.40

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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.