Home / 185,069.04-255,396.09-100,186.10

Finding the Fourth Proportional to 185,069.04, 255,396.09 and 100,186.10

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Solution

The fourth proportional to 185,069.04, 255,396.09 and 100,186.10 is: 138,257.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,069.04 : 255,396.09 = 100,186.10 : x
  2. Step 2: Convert to fraction form
    185,069.04/255,396.09 = 100,186.10/x
  3. Step 3: Cross multiply
    185,069.04x = 255,396.09 × 100,186.10
  4. Step 4: Simplify right side
    185,069.04x = 25,587,136,935.37
  5. Step 5: Solve for x
    x = 25,587,136,935.37/185,069.04
  6. Step 6: Final answer
    x = 138,257.25

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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.