Home / 170,210.12-255,353.08-51,890.66

Finding the Fourth Proportional to 170,210.12, 255,353.08 and 51,890.66

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Solution

The fourth proportional to 170,210.12, 255,353.08 and 51,890.66 is: 77,847.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,210.12 : 255,353.08 = 51,890.66 : x
  2. Step 2: Convert to fraction form
    170,210.12/255,353.08 = 51,890.66/x
  3. Step 3: Cross multiply
    170,210.12x = 255,353.08 × 51,890.66
  4. Step 4: Simplify right side
    170,210.12x = 13,250,439,854.23
  5. Step 5: Solve for x
    x = 13,250,439,854.23/170,210.12
  6. Step 6: Final answer
    x = 77,847.54

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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.