Home / 314,039.07-471,137.53-100,826.06

Finding the Fourth Proportional to 314,039.07, 471,137.53 and 100,826.06

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Solution

The fourth proportional to 314,039.07, 471,137.53 and 100,826.06 is: 151,264.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,039.07 : 471,137.53 = 100,826.06 : x
  2. Step 2: Convert to fraction form
    314,039.07/471,137.53 = 100,826.06/x
  3. Step 3: Cross multiply
    314,039.07x = 471,137.53 × 100,826.06
  4. Step 4: Simplify right side
    314,039.07x = 47,502,938,260.28
  5. Step 5: Solve for x
    x = 47,502,938,260.28/314,039.07
  6. Step 6: Final answer
    x = 151,264.42

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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.