Home / 109,640.84-164,465.20-56,318.44

Finding the Fourth Proportional to 109,640.84, 164,465.20 and 56,318.44

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Solution

The fourth proportional to 109,640.84, 164,465.20 and 56,318.44 is: 84,479.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,640.84 : 164,465.20 = 56,318.44 : x
  2. Step 2: Convert to fraction form
    109,640.84/164,465.20 = 56,318.44/x
  3. Step 3: Cross multiply
    109,640.84x = 164,465.20 × 56,318.44
  4. Step 4: Simplify right side
    109,640.84x = 9,262,423,498.29
  5. Step 5: Solve for x
    x = 9,262,423,498.29/109,640.84
  6. Step 6: Final answer
    x = 84,479.68

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1.5x scale

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.