Home / 156,918.86-235,376.22-38,591.23

Finding the Fourth Proportional to 156,918.86, 235,376.22 and 38,591.23

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Solution

The fourth proportional to 156,918.86, 235,376.22 and 38,591.23 is: 57,886.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,918.86 : 235,376.22 = 38,591.23 : x
  2. Step 2: Convert to fraction form
    156,918.86/235,376.22 = 38,591.23/x
  3. Step 3: Cross multiply
    156,918.86x = 235,376.22 × 38,591.23
  4. Step 4: Simplify right side
    156,918.86x = 9,083,457,842.55
  5. Step 5: Solve for x
    x = 9,083,457,842.55/156,918.86
  6. Step 6: Final answer
    x = 57,886.34

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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.