Home / 314,619.87-471,916.11-101,383.02

Finding the Fourth Proportional to 314,619.87, 471,916.11 and 101,383.02

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Solution

The fourth proportional to 314,619.87, 471,916.11 and 101,383.02 is: 152,070.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,619.87 : 471,916.11 = 101,383.02 : x
  2. Step 2: Convert to fraction form
    314,619.87/471,916.11 = 101,383.02/x
  3. Step 3: Cross multiply
    314,619.87x = 471,916.11 × 101,383.02
  4. Step 4: Simplify right side
    314,619.87x = 47,844,280,418.45
  5. Step 5: Solve for x
    x = 47,844,280,418.45/314,619.87
  6. Step 6: Final answer
    x = 152,070.12

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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.