Home / 170,539.20-255,808.64-58,210.11

Finding the Fourth Proportional to 170,539.20, 255,808.64 and 58,210.11

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Solution

The fourth proportional to 170,539.20, 255,808.64 and 58,210.11 is: 87,315.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,539.20 : 255,808.64 = 58,210.11 : x
  2. Step 2: Convert to fraction form
    170,539.20/255,808.64 = 58,210.11/x
  3. Step 3: Cross multiply
    170,539.20x = 255,808.64 × 58,210.11
  4. Step 4: Simplify right side
    170,539.20x = 14,890,649,073.35
  5. Step 5: Solve for x
    x = 14,890,649,073.35/170,539.20
  6. Step 6: Final answer
    x = 87,315.11

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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.