Home / 118,455-177,769.98-56,125.50

Finding the Fourth Proportional to 118,455, 177,769.98 and 56,125.50

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Solution

The fourth proportional to 118,455, 177,769.98 and 56,125.50 is: 84,229.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,455 : 177,769.98 = 56,125.50 : x
  2. Step 2: Convert to fraction form
    118,455/177,769.98 = 56,125.50/x
  3. Step 3: Cross multiply
    118,455x = 177,769.98 × 56,125.50
  4. Step 4: Simplify right side
    118,455x = 9,977,429,012.49
  5. Step 5: Solve for x
    x = 9,977,429,012.49/118,455
  6. Step 6: Final answer
    x = 84,229.70

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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.