Home / 185,332.36-255,751.74-100,447.60

Finding the Fourth Proportional to 185,332.36, 255,751.74 and 100,447.60

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Solution

The fourth proportional to 185,332.36, 255,751.74 and 100,447.60 is: 138,613.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,332.36 : 255,751.74 = 100,447.60 : x
  2. Step 2: Convert to fraction form
    185,332.36/255,751.74 = 100,447.60/x
  3. Step 3: Cross multiply
    185,332.36x = 255,751.74 × 100,447.60
  4. Step 4: Simplify right side
    185,332.36x = 25,689,648,478.82
  5. Step 5: Solve for x
    x = 25,689,648,478.82/185,332.36
  6. Step 6: Final answer
    x = 138,613.94

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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.