Home / 143,173.18-214,798.68-49,686.22

Finding the Fourth Proportional to 143,173.18, 214,798.68 and 49,686.22

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Solution

The fourth proportional to 143,173.18, 214,798.68 and 49,686.22 is: 74,542.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,173.18 : 214,798.68 = 49,686.22 : x
  2. Step 2: Convert to fraction form
    143,173.18/214,798.68 = 49,686.22/x
  3. Step 3: Cross multiply
    143,173.18x = 214,798.68 × 49,686.22
  4. Step 4: Simplify right side
    143,173.18x = 10,672,534,470.19
  5. Step 5: Solve for x
    x = 10,672,534,470.19/143,173.18
  6. Step 6: Final answer
    x = 74,542.83

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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.