Home / 156,955.24-235,430.79-38,627.60

Finding the Fourth Proportional to 156,955.24, 235,430.79 and 38,627.60

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Solution

The fourth proportional to 156,955.24, 235,430.79 and 38,627.60 is: 57,940.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,955.24 : 235,430.79 = 38,627.60 : x
  2. Step 2: Convert to fraction form
    156,955.24/235,430.79 = 38,627.60/x
  3. Step 3: Cross multiply
    156,955.24x = 235,430.79 × 38,627.60
  4. Step 4: Simplify right side
    156,955.24x = 9,094,126,383.80
  5. Step 5: Solve for x
    x = 9,094,126,383.80/156,955.24
  6. Step 6: Final answer
    x = 57,940.89

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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.