Home / 170,140.16-255,210.22-51,811.51

Finding the Fourth Proportional to 170,140.16, 255,210.22 and 51,811.51

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Solution

The fourth proportional to 170,140.16, 255,210.22 and 51,811.51 is: 77,717.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,140.16 : 255,210.22 = 51,811.51 : x
  2. Step 2: Convert to fraction form
    170,140.16/255,210.22 = 51,811.51/x
  3. Step 3: Cross multiply
    170,140.16x = 255,210.22 × 51,811.51
  4. Step 4: Simplify right side
    170,140.16x = 13,222,826,865.63
  5. Step 5: Solve for x
    x = 13,222,826,865.63/170,140.16
  6. Step 6: Final answer
    x = 77,717.26

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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.