Home / 255,399.36-352,451.12-148,031.67

Finding the Fourth Proportional to 255,399.36, 352,451.12 and 148,031.67

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Solution

The fourth proportional to 255,399.36, 352,451.12 and 148,031.67 is: 204,283.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,399.36 : 352,451.12 = 148,031.67 : x
  2. Step 2: Convert to fraction form
    255,399.36/352,451.12 = 148,031.67/x
  3. Step 3: Cross multiply
    255,399.36x = 352,451.12 × 148,031.67
  4. Step 4: Simplify right side
    255,399.36x = 52,173,927,886.97
  5. Step 5: Solve for x
    x = 52,173,927,886.97/255,399.36
  6. Step 6: Final answer
    x = 204,283.71

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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.