Home / 103,205.16-154,678.14-36,590.76

Finding the Fourth Proportional to 103,205.16, 154,678.14 and 36,590.76

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Solution

The fourth proportional to 103,205.16, 154,678.14 and 36,590.76 is: 54,840.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,205.16 : 154,678.14 = 36,590.76 : x
  2. Step 2: Convert to fraction form
    103,205.16/154,678.14 = 36,590.76/x
  3. Step 3: Cross multiply
    103,205.16x = 154,678.14 × 36,590.76
  4. Step 4: Simplify right side
    103,205.16x = 5,659,790,697.99
  5. Step 5: Solve for x
    x = 5,659,790,697.99/103,205.16
  6. Step 6: Final answer
    x = 54,840.19

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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.