Home / 156,973.90-235,374.45-51,738.70

Finding the Fourth Proportional to 156,973.90, 235,374.45 and 51,738.70

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Solution

The fourth proportional to 156,973.90, 235,374.45 and 51,738.70 is: 77,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,973.90 : 235,374.45 = 51,738.70 : x
  2. Step 2: Convert to fraction form
    156,973.90/235,374.45 = 51,738.70/x
  3. Step 3: Cross multiply
    156,973.90x = 235,374.45 × 51,738.70
  4. Step 4: Simplify right side
    156,973.90x = 12,177,968,056.22
  5. Step 5: Solve for x
    x = 12,177,968,056.22/156,973.90
  6. Step 6: Final answer
    x = 77,579.57

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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.