Home / 255,441.11-352,508.81-148,073.45

Finding the Fourth Proportional to 255,441.11, 352,508.81 and 148,073.45

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Solution

The fourth proportional to 255,441.11, 352,508.81 and 148,073.45 is: 204,341.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,441.11 : 352,508.81 = 148,073.45 : x
  2. Step 2: Convert to fraction form
    255,441.11/352,508.81 = 148,073.45/x
  3. Step 3: Cross multiply
    255,441.11x = 352,508.81 × 148,073.45
  4. Step 4: Simplify right side
    255,441.11x = 52,197,193,149.18
  5. Step 5: Solve for x
    x = 52,197,193,149.18/255,441.11
  6. Step 6: Final answer
    x = 204,341.40

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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.