Home / 156,938.13-235,405.17-38,610.51

Finding the Fourth Proportional to 156,938.13, 235,405.17 and 38,610.51

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Solution

The fourth proportional to 156,938.13, 235,405.17 and 38,610.51 is: 57,915.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,938.13 : 235,405.17 = 38,610.51 : x
  2. Step 2: Convert to fraction form
    156,938.13/235,405.17 = 38,610.51/x
  3. Step 3: Cross multiply
    156,938.13x = 235,405.17 × 38,610.51
  4. Step 4: Simplify right side
    156,938.13x = 9,089,113,670.34
  5. Step 5: Solve for x
    x = 9,089,113,670.34/156,938.13
  6. Step 6: Final answer
    x = 57,915.27

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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.