Home / 115,609.80-173,412.26-53,280.32

Finding the Fourth Proportional to 115,609.80, 173,412.26 and 53,280.32

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Solution

The fourth proportional to 115,609.80, 173,412.26 and 53,280.32 is: 79,919.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,609.80 : 173,412.26 = 53,280.32 : x
  2. Step 2: Convert to fraction form
    115,609.80/173,412.26 = 53,280.32/x
  3. Step 3: Cross multiply
    115,609.80x = 173,412.26 × 53,280.32
  4. Step 4: Simplify right side
    115,609.80x = 9,239,460,704.72
  5. Step 5: Solve for x
    x = 9,239,460,704.72/115,609.80
  6. Step 6: Final answer
    x = 79,919.36

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1.5x scale

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.