Home / 180,384.60-248,851.20-108,722.28

Finding the Fourth Proportional to 180,384.60, 248,851.20 and 108,722.28

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Solution

The fourth proportional to 180,384.60, 248,851.20 and 108,722.28 is: 149,988.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,384.60 : 248,851.20 = 108,722.28 : x
  2. Step 2: Convert to fraction form
    180,384.60/248,851.20 = 108,722.28/x
  3. Step 3: Cross multiply
    180,384.60x = 248,851.20 × 108,722.28
  4. Step 4: Simplify right side
    180,384.60x = 27,055,669,844.74
  5. Step 5: Solve for x
    x = 27,055,669,844.74/180,384.60
  6. Step 6: Final answer
    x = 149,988.80

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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.