Home / 156,911.23-235,364.79-38,583.60

Finding the Fourth Proportional to 156,911.23, 235,364.79 and 38,583.60

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Solution

The fourth proportional to 156,911.23, 235,364.79 and 38,583.60 is: 57,874.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,911.23 : 235,364.79 = 38,583.60 : x
  2. Step 2: Convert to fraction form
    156,911.23/235,364.79 = 38,583.60/x
  3. Step 3: Cross multiply
    156,911.23x = 235,364.79 × 38,583.60
  4. Step 4: Simplify right side
    156,911.23x = 9,081,220,173.51
  5. Step 5: Solve for x
    x = 9,081,220,173.51/156,911.23
  6. Step 6: Final answer
    x = 57,874.89

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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.