Home / 204,475.79-306,465.01-109,472.51

Finding the Fourth Proportional to 204,475.79, 306,465.01 and 109,472.51

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Solution

The fourth proportional to 204,475.79, 306,465.01 and 109,472.51 is: 164,075.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,475.79 : 306,465.01 = 109,472.51 : x
  2. Step 2: Convert to fraction form
    204,475.79/306,465.01 = 109,472.51/x
  3. Step 3: Cross multiply
    204,475.79x = 306,465.01 × 109,472.51
  4. Step 4: Simplify right side
    204,475.79x = 33,549,492,065.87
  5. Step 5: Solve for x
    x = 33,549,492,065.87/204,475.79
  6. Step 6: Final answer
    x = 164,075.62

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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.