Home / 185,172.50-255,467.58-136,890.36

Finding the Fourth Proportional to 185,172.50, 255,467.58 and 136,890.36

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Solution

The fourth proportional to 185,172.50, 255,467.58 and 136,890.36 is: 188,856.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,172.50 : 255,467.58 = 136,890.36 : x
  2. Step 2: Convert to fraction form
    185,172.50/255,467.58 = 136,890.36/x
  3. Step 3: Cross multiply
    185,172.50x = 255,467.58 × 136,890.36
  4. Step 4: Simplify right side
    185,172.50x = 34,971,048,994.53
  5. Step 5: Solve for x
    x = 34,971,048,994.53/185,172.50
  6. Step 6: Final answer
    x = 188,856.60

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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.