Home / 185,328.36-255,746.22-100,443.60

Finding the Fourth Proportional to 185,328.36, 255,746.22 and 100,443.60

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Solution

The fourth proportional to 185,328.36, 255,746.22 and 100,443.60 is: 138,608.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,328.36 : 255,746.22 = 100,443.60 : x
  2. Step 2: Convert to fraction form
    185,328.36/255,746.22 = 100,443.60/x
  3. Step 3: Cross multiply
    185,328.36x = 255,746.22 × 100,443.60
  4. Step 4: Simplify right side
    185,328.36x = 25,688,071,023.19
  5. Step 5: Solve for x
    x = 25,688,071,023.19/185,328.36
  6. Step 6: Final answer
    x = 138,608.42

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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.