Home / 115,118.54-172,701.16-36,214.42

Finding the Fourth Proportional to 115,118.54, 172,701.16 and 36,214.42

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Solution

The fourth proportional to 115,118.54, 172,701.16 and 36,214.42 is: 54,328.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,118.54 : 172,701.16 = 36,214.42 : x
  2. Step 2: Convert to fraction form
    115,118.54/172,701.16 = 36,214.42/x
  3. Step 3: Cross multiply
    115,118.54x = 172,701.16 × 36,214.42
  4. Step 4: Simplify right side
    115,118.54x = 6,254,271,479.22
  5. Step 5: Solve for x
    x = 6,254,271,479.22/115,118.54
  6. Step 6: Final answer
    x = 54,328.97

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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.