Home / 159,861.31-239,740.05-53,216.62

Finding the Fourth Proportional to 159,861.31, 239,740.05 and 53,216.62

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Solution

The fourth proportional to 159,861.31, 239,740.05 and 53,216.62 is: 79,807.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,861.31 : 239,740.05 = 53,216.62 : x
  2. Step 2: Convert to fraction form
    159,861.31/239,740.05 = 53,216.62/x
  3. Step 3: Cross multiply
    159,861.31x = 239,740.05 × 53,216.62
  4. Step 4: Simplify right side
    159,861.31x = 12,758,154,873.55
  5. Step 5: Solve for x
    x = 12,758,154,873.55/159,861.31
  6. Step 6: Final answer
    x = 79,807.65

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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.