Home / 145,402.10-218,103.48-44,201.07

Finding the Fourth Proportional to 145,402.10, 218,103.48 and 44,201.07

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Solution

The fourth proportional to 145,402.10, 218,103.48 and 44,201.07 is: 66,301.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,402.10 : 218,103.48 = 44,201.07 : x
  2. Step 2: Convert to fraction form
    145,402.10/218,103.48 = 44,201.07/x
  3. Step 3: Cross multiply
    145,402.10x = 218,103.48 × 44,201.07
  4. Step 4: Simplify right side
    145,402.10x = 9,640,407,186.72
  5. Step 5: Solve for x
    x = 9,640,407,186.72/145,402.10
  6. Step 6: Final answer
    x = 66,301.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.