Home / 156,970.40-235,126.20-123,532.52

Finding the Fourth Proportional to 156,970.40, 235,126.20 and 123,532.52

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Solution

The fourth proportional to 156,970.40, 235,126.20 and 123,532.52 is: 185,039.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,970.40 : 235,126.20 = 123,532.52 : x
  2. Step 2: Convert to fraction form
    156,970.40/235,126.20 = 123,532.52/x
  3. Step 3: Cross multiply
    156,970.40x = 235,126.20 × 123,532.52
  4. Step 4: Simplify right side
    156,970.40x = 29,045,732,004.02
  5. Step 5: Solve for x
    x = 29,045,732,004.02/156,970.40
  6. Step 6: Final answer
    x = 185,039.55

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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.