Home / 117,309.28-175,966.08-28,563.52

Finding the Fourth Proportional to 117,309.28, 175,966.08 and 28,563.52

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Solution

The fourth proportional to 117,309.28, 175,966.08 and 28,563.52 is: 42,845.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,309.28 : 175,966.08 = 28,563.52 : x
  2. Step 2: Convert to fraction form
    117,309.28/175,966.08 = 28,563.52/x
  3. Step 3: Cross multiply
    117,309.28x = 175,966.08 × 28,563.52
  4. Step 4: Simplify right side
    117,309.28x = 5,026,210,645.40
  5. Step 5: Solve for x
    x = 5,026,210,645.40/117,309.28
  6. Step 6: Final answer
    x = 42,845.81

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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.