Home / 185,033.24-255,347.74-100,152.12

Finding the Fourth Proportional to 185,033.24, 255,347.74 and 100,152.12

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Solution

The fourth proportional to 185,033.24, 255,347.74 and 100,152.12 is: 138,210.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,033.24 : 255,347.74 = 100,152.12 : x
  2. Step 2: Convert to fraction form
    185,033.24/255,347.74 = 100,152.12/x
  3. Step 3: Cross multiply
    185,033.24x = 255,347.74 × 100,152.12
  4. Step 4: Simplify right side
    185,033.24x = 25,573,617,498.21
  5. Step 5: Solve for x
    x = 25,573,617,498.21/185,033.24
  6. Step 6: Final answer
    x = 138,210.94

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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.