Home / 185,190.51-255,559.22-103,518.36

Finding the Fourth Proportional to 185,190.51, 255,559.22 and 103,518.36

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Solution

The fourth proportional to 185,190.51, 255,559.22 and 103,518.36 is: 142,853.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,190.51 : 255,559.22 = 103,518.36 : x
  2. Step 2: Convert to fraction form
    185,190.51/255,559.22 = 103,518.36/x
  3. Step 3: Cross multiply
    185,190.51x = 255,559.22 × 103,518.36
  4. Step 4: Simplify right side
    185,190.51x = 26,455,070,819.69
  5. Step 5: Solve for x
    x = 26,455,070,819.69/185,190.51
  6. Step 6: Final answer
    x = 142,853.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.