Home / 141,632.16-212,579.52-71,560.72

Finding the Fourth Proportional to 141,632.16, 212,579.52 and 71,560.72

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Solution

The fourth proportional to 141,632.16, 212,579.52 and 71,560.72 is: 107,407.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,632.16 : 212,579.52 = 71,560.72 : x
  2. Step 2: Convert to fraction form
    141,632.16/212,579.52 = 71,560.72/x
  3. Step 3: Cross multiply
    141,632.16x = 212,579.52 × 71,560.72
  4. Step 4: Simplify right side
    141,632.16x = 15,212,343,508.45
  5. Step 5: Solve for x
    x = 15,212,343,508.45/141,632.16
  6. Step 6: Final answer
    x = 107,407.41

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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.