Home / 159,899.60-239,584.76-143,416.72

Finding the Fourth Proportional to 159,899.60, 239,584.76 and 143,416.72

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Solution

The fourth proportional to 159,899.60, 239,584.76 and 143,416.72 is: 214,887.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,899.60 : 239,584.76 = 143,416.72 : x
  2. Step 2: Convert to fraction form
    159,899.60/239,584.76 = 143,416.72/x
  3. Step 3: Cross multiply
    159,899.60x = 239,584.76 × 143,416.72
  4. Step 4: Simplify right side
    159,899.60x = 34,360,460,441.19
  5. Step 5: Solve for x
    x = 34,360,460,441.19/159,899.60
  6. Step 6: Final answer
    x = 214,887.72

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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.