Home / 159,623.40-239,435.10-93,138.60

Finding the Fourth Proportional to 159,623.40, 239,435.10 and 93,138.60

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Solution

The fourth proportional to 159,623.40, 239,435.10 and 93,138.60 is: 139,707.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,623.40 : 239,435.10 = 93,138.60 : x
  2. Step 2: Convert to fraction form
    159,623.40/239,435.10 = 93,138.60/x
  3. Step 3: Cross multiply
    159,623.40x = 239,435.10 × 93,138.60
  4. Step 4: Simplify right side
    159,623.40x = 22,300,650,004.86
  5. Step 5: Solve for x
    x = 22,300,650,004.86/159,623.40
  6. Step 6: Final answer
    x = 139,707.90

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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.