Home / 185,314.06-255,733.50-100,431.10

Finding the Fourth Proportional to 185,314.06, 255,733.50 and 100,431.10

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Solution

The fourth proportional to 185,314.06, 255,733.50 and 100,431.10 is: 138,594.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,314.06 : 255,733.50 = 100,431.10 : x
  2. Step 2: Convert to fraction form
    185,314.06/255,733.50 = 100,431.10/x
  3. Step 3: Cross multiply
    185,314.06x = 255,733.50 × 100,431.10
  4. Step 4: Simplify right side
    185,314.06x = 25,683,596,711.85
  5. Step 5: Solve for x
    x = 25,683,596,711.85/185,314.06
  6. Step 6: Final answer
    x = 138,594.97

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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.