Home / 185,722.74-256,302.63-109,247.40

Finding the Fourth Proportional to 185,722.74, 256,302.63 and 109,247.40

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Solution

The fourth proportional to 185,722.74, 256,302.63 and 109,247.40 is: 150,764.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,722.74 : 256,302.63 = 109,247.40 : x
  2. Step 2: Convert to fraction form
    185,722.74/256,302.63 = 109,247.40/x
  3. Step 3: Cross multiply
    185,722.74x = 256,302.63 × 109,247.40
  4. Step 4: Simplify right side
    185,722.74x = 28,000,395,940.66
  5. Step 5: Solve for x
    x = 28,000,395,940.66/185,722.74
  6. Step 6: Final answer
    x = 150,764.50

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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.