Home / 272,733.12-409,142.97-83,150.07

Finding the Fourth Proportional to 272,733.12, 409,142.97 and 83,150.07

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Solution

The fourth proportional to 272,733.12, 409,142.97 and 83,150.07 is: 124,738.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,733.12 : 409,142.97 = 83,150.07 : x
  2. Step 2: Convert to fraction form
    272,733.12/409,142.97 = 83,150.07/x
  3. Step 3: Cross multiply
    272,733.12x = 409,142.97 × 83,150.07
  4. Step 4: Simplify right side
    272,733.12x = 34,020,266,595.51
  5. Step 5: Solve for x
    x = 34,020,266,595.51/272,733.12
  6. Step 6: Final answer
    x = 124,738.30

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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.