Home / 314,621.87-471,919.11-101,385.02

Finding the Fourth Proportional to 314,621.87, 471,919.11 and 101,385.02

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Solution

The fourth proportional to 314,621.87, 471,919.11 and 101,385.02 is: 152,073.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,621.87 : 471,919.11 = 101,385.02 : x
  2. Step 2: Convert to fraction form
    314,621.87/471,919.11 = 101,385.02/x
  3. Step 3: Cross multiply
    314,621.87x = 471,919.11 × 101,385.02
  4. Step 4: Simplify right side
    314,621.87x = 47,845,528,405.73
  5. Step 5: Solve for x
    x = 47,845,528,405.73/314,621.87
  6. Step 6: Final answer
    x = 152,073.12

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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.