Home / 106,746.39-160,113.81-54,154.51

Finding the Fourth Proportional to 106,746.39, 160,113.81 and 54,154.51

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Solution

The fourth proportional to 106,746.39, 160,113.81 and 54,154.51 is: 81,228.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,746.39 : 160,113.81 = 54,154.51 : x
  2. Step 2: Convert to fraction form
    106,746.39/160,113.81 = 54,154.51/x
  3. Step 3: Cross multiply
    106,746.39x = 160,113.81 × 54,154.51
  4. Step 4: Simplify right side
    106,746.39x = 8,670,884,727.58
  5. Step 5: Solve for x
    x = 8,670,884,727.58/106,746.39
  6. Step 6: Final answer
    x = 81,228.83

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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.