Home / 159,355.20-239,032.80-47,036.96

Finding the Fourth Proportional to 159,355.20, 239,032.80 and 47,036.96

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Solution

The fourth proportional to 159,355.20, 239,032.80 and 47,036.96 is: 70,555.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,355.20 : 239,032.80 = 47,036.96 : x
  2. Step 2: Convert to fraction form
    159,355.20/239,032.80 = 47,036.96/x
  3. Step 3: Cross multiply
    159,355.20x = 239,032.80 × 47,036.96
  4. Step 4: Simplify right side
    159,355.20x = 11,243,376,252.29
  5. Step 5: Solve for x
    x = 11,243,376,252.29/159,355.20
  6. Step 6: Final answer
    x = 70,555.44

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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.