Home / 156,938.24-235,405.29-38,610.60

Finding the Fourth Proportional to 156,938.24, 235,405.29 and 38,610.60

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Solution

The fourth proportional to 156,938.24, 235,405.29 and 38,610.60 is: 57,915.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,938.24 : 235,405.29 = 38,610.60 : x
  2. Step 2: Convert to fraction form
    156,938.24/235,405.29 = 38,610.60/x
  3. Step 3: Cross multiply
    156,938.24x = 235,405.29 × 38,610.60
  4. Step 4: Simplify right side
    156,938.24x = 9,089,139,490.07
  5. Step 5: Solve for x
    x = 9,089,139,490.07/156,938.24
  6. Step 6: Final answer
    x = 57,915.39

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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.