Home / 159,558.81-239,360.09-70,810.35

Finding the Fourth Proportional to 159,558.81, 239,360.09 and 70,810.35

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Solution

The fourth proportional to 159,558.81, 239,360.09 and 70,810.35 is: 106,225.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,558.81 : 239,360.09 = 70,810.35 : x
  2. Step 2: Convert to fraction form
    159,558.81/239,360.09 = 70,810.35/x
  3. Step 3: Cross multiply
    159,558.81x = 239,360.09 × 70,810.35
  4. Step 4: Simplify right side
    159,558.81x = 16,949,171,394.88
  5. Step 5: Solve for x
    x = 16,949,171,394.88/159,558.81
  6. Step 6: Final answer
    x = 106,225.23

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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.