Home / 159,061.76-238,586.40-53,880.72

Finding the Fourth Proportional to 159,061.76, 238,586.40 and 53,880.72

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Solution

The fourth proportional to 159,061.76, 238,586.40 and 53,880.72 is: 80,818.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,061.76 : 238,586.40 = 53,880.72 : x
  2. Step 2: Convert to fraction form
    159,061.76/238,586.40 = 53,880.72/x
  3. Step 3: Cross multiply
    159,061.76x = 238,586.40 × 53,880.72
  4. Step 4: Simplify right side
    159,061.76x = 12,855,207,014.21
  5. Step 5: Solve for x
    x = 12,855,207,014.21/159,061.76
  6. Step 6: Final answer
    x = 80,818.97

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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.