Home / 185,209.98-255,588.93-100,327.26

Finding the Fourth Proportional to 185,209.98, 255,588.93 and 100,327.26

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Solution

The fourth proportional to 185,209.98, 255,588.93 and 100,327.26 is: 138,451.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,209.98 : 255,588.93 = 100,327.26 : x
  2. Step 2: Convert to fraction form
    185,209.98/255,588.93 = 100,327.26/x
  3. Step 3: Cross multiply
    185,209.98x = 255,588.93 × 100,327.26
  4. Step 4: Simplify right side
    185,209.98x = 25,642,537,033.23
  5. Step 5: Solve for x
    x = 25,642,537,033.23/185,209.98
  6. Step 6: Final answer
    x = 138,451.16

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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.