Home / 142,044.64-213,162-58,938.64

Finding the Fourth Proportional to 142,044.64, 213,162 and 58,938.64

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Solution

The fourth proportional to 142,044.64, 213,162 and 58,938.64 is: 88,447.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,044.64 : 213,162 = 58,938.64 : x
  2. Step 2: Convert to fraction form
    142,044.64/213,162 = 58,938.64/x
  3. Step 3: Cross multiply
    142,044.64x = 213,162 × 58,938.64
  4. Step 4: Simplify right side
    142,044.64x = 12,563,478,379.68
  5. Step 5: Solve for x
    x = 12,563,478,379.68/142,044.64
  6. Step 6: Final answer
    x = 88,447.39

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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.