Home / 157,555.20-236,563.20-111,014.40

Finding the Fourth Proportional to 157,555.20, 236,563.20 and 111,014.40

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Solution

The fourth proportional to 157,555.20, 236,563.20 and 111,014.40 is: 166,683.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,555.20 : 236,563.20 = 111,014.40 : x
  2. Step 2: Convert to fraction form
    157,555.20/236,563.20 = 111,014.40/x
  3. Step 3: Cross multiply
    157,555.20x = 236,563.20 × 111,014.40
  4. Step 4: Simplify right side
    157,555.20x = 26,261,921,710.08
  5. Step 5: Solve for x
    x = 26,261,921,710.08/157,555.20
  6. Step 6: Final answer
    x = 166,683.94

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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.