Home / 155,085.46-232,629.41-84,926.50

Finding the Fourth Proportional to 155,085.46, 232,629.41 and 84,926.50

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Solution

The fourth proportional to 155,085.46, 232,629.41 and 84,926.50 is: 127,390.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,085.46 : 232,629.41 = 84,926.50 : x
  2. Step 2: Convert to fraction form
    155,085.46/232,629.41 = 84,926.50/x
  3. Step 3: Cross multiply
    155,085.46x = 232,629.41 × 84,926.50
  4. Step 4: Simplify right side
    155,085.46x = 19,756,401,219.11
  5. Step 5: Solve for x
    x = 19,756,401,219.11/155,085.46
  6. Step 6: Final answer
    x = 127,390.42

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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.