Home / 143,177.02-214,697.79-53,157.67

Finding the Fourth Proportional to 143,177.02, 214,697.79 and 53,157.67

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Solution

The fourth proportional to 143,177.02, 214,697.79 and 53,157.67 is: 79,711.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,177.02 : 214,697.79 = 53,157.67 : x
  2. Step 2: Convert to fraction form
    143,177.02/214,697.79 = 53,157.67/x
  3. Step 3: Cross multiply
    143,177.02x = 214,697.79 × 53,157.67
  4. Step 4: Simplify right side
    143,177.02x = 11,412,833,733.80
  5. Step 5: Solve for x
    x = 11,412,833,733.80/143,177.02
  6. Step 6: Final answer
    x = 79,711.35

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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.