Home / 106,906.10-160,397.55-103,066.10

Finding the Fourth Proportional to 106,906.10, 160,397.55 and 103,066.10

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Solution

The fourth proportional to 106,906.10, 160,397.55 and 103,066.10 is: 154,636.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,906.10 : 160,397.55 = 103,066.10 : x
  2. Step 2: Convert to fraction form
    106,906.10/160,397.55 = 103,066.10/x
  3. Step 3: Cross multiply
    106,906.10x = 160,397.55 × 103,066.10
  4. Step 4: Simplify right side
    106,906.10x = 16,531,549,928.06
  5. Step 5: Solve for x
    x = 16,531,549,928.06/106,906.10
  6. Step 6: Final answer
    x = 154,636.17

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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.