Home / 156,969.40-235,124.70-123,531.52

Finding the Fourth Proportional to 156,969.40, 235,124.70 and 123,531.52

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Solution

The fourth proportional to 156,969.40, 235,124.70 and 123,531.52 is: 185,038.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,969.40 : 235,124.70 = 123,531.52 : x
  2. Step 2: Convert to fraction form
    156,969.40/235,124.70 = 123,531.52/x
  3. Step 3: Cross multiply
    156,969.40x = 235,124.70 × 123,531.52
  4. Step 4: Simplify right side
    156,969.40x = 29,045,311,580.54
  5. Step 5: Solve for x
    x = 29,045,311,580.54/156,969.40
  6. Step 6: Final answer
    x = 185,038.05

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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.