Home / 454,732.02-681,981.64-134,809.08

Finding the Fourth Proportional to 454,732.02, 681,981.64 and 134,809.08

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Solution

The fourth proportional to 454,732.02, 681,981.64 and 134,809.08 is: 202,179.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,732.02 : 681,981.64 = 134,809.08 : x
  2. Step 2: Convert to fraction form
    454,732.02/681,981.64 = 134,809.08/x
  3. Step 3: Cross multiply
    454,732.02x = 681,981.64 × 134,809.08
  4. Step 4: Simplify right side
    454,732.02x = 91,937,317,465.29
  5. Step 5: Solve for x
    x = 91,937,317,465.29/454,732.02
  6. Step 6: Final answer
    x = 202,179.12

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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.