Home / 105,188.05-145,173.23-59,857.21

Finding the Fourth Proportional to 105,188.05, 145,173.23 and 59,857.21

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Solution

The fourth proportional to 105,188.05, 145,173.23 and 59,857.21 is: 82,610.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,188.05 : 145,173.23 = 59,857.21 : x
  2. Step 2: Convert to fraction form
    105,188.05/145,173.23 = 59,857.21/x
  3. Step 3: Cross multiply
    105,188.05x = 145,173.23 × 59,857.21
  4. Step 4: Simplify right side
    105,188.05x = 8,689,664,514.49
  5. Step 5: Solve for x
    x = 8,689,664,514.49/105,188.05
  6. Step 6: Final answer
    x = 82,610.76

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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.