Home / 102,466.10-141,402.94-57,144.13

Finding the Fourth Proportional to 102,466.10, 141,402.94 and 57,144.13

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Solution

The fourth proportional to 102,466.10, 141,402.94 and 57,144.13 is: 78,858.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,466.10 : 141,402.94 = 57,144.13 : x
  2. Step 2: Convert to fraction form
    102,466.10/141,402.94 = 57,144.13/x
  3. Step 3: Cross multiply
    102,466.10x = 141,402.94 × 57,144.13
  4. Step 4: Simplify right side
    102,466.10x = 8,080,347,489.37
  5. Step 5: Solve for x
    x = 8,080,347,489.37/102,466.10
  6. Step 6: Final answer
    x = 78,858.74

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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.