Home / 170,119.86-255,216.69-51,788.13

Finding the Fourth Proportional to 170,119.86, 255,216.69 and 51,788.13

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Solution

The fourth proportional to 170,119.86, 255,216.69 and 51,788.13 is: 77,693.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,119.86 : 255,216.69 = 51,788.13 : x
  2. Step 2: Convert to fraction form
    170,119.86/255,216.69 = 51,788.13/x
  3. Step 3: Cross multiply
    170,119.86x = 255,216.69 × 51,788.13
  4. Step 4: Simplify right side
    170,119.86x = 13,217,195,119.89
  5. Step 5: Solve for x
    x = 13,217,195,119.89/170,119.86
  6. Step 6: Final answer
    x = 77,693.43

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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.