Home / 145,864.10-201,329.90-95,003.56

Finding the Fourth Proportional to 145,864.10, 201,329.90 and 95,003.56

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Solution

The fourth proportional to 145,864.10, 201,329.90 and 95,003.56 is: 131,129.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,864.10 : 201,329.90 = 95,003.56 : x
  2. Step 2: Convert to fraction form
    145,864.10/201,329.90 = 95,003.56/x
  3. Step 3: Cross multiply
    145,864.10x = 201,329.90 × 95,003.56
  4. Step 4: Simplify right side
    145,864.10x = 19,127,057,234.44
  5. Step 5: Solve for x
    x = 19,127,057,234.44/145,864.10
  6. Step 6: Final answer
    x = 131,129.30

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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.