Home / 183,733.30-274,985.55-128,437.30

Finding the Fourth Proportional to 183,733.30, 274,985.55 and 128,437.30

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Solution

The fourth proportional to 183,733.30, 274,985.55 and 128,437.30 is: 192,226.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,733.30 : 274,985.55 = 128,437.30 : x
  2. Step 2: Convert to fraction form
    183,733.30/274,985.55 = 128,437.30/x
  3. Step 3: Cross multiply
    183,733.30x = 274,985.55 × 128,437.30
  4. Step 4: Simplify right side
    183,733.30x = 35,318,401,581.02
  5. Step 5: Solve for x
    x = 35,318,401,581.02/183,733.30
  6. Step 6: Final answer
    x = 192,226.46

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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.