Home / 109,120.68-163,699.65-34,226.46

Finding the Fourth Proportional to 109,120.68, 163,699.65 and 34,226.46

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Solution

The fourth proportional to 109,120.68, 163,699.65 and 34,226.46 is: 51,345.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,120.68 : 163,699.65 = 34,226.46 : x
  2. Step 2: Convert to fraction form
    109,120.68/163,699.65 = 34,226.46/x
  3. Step 3: Cross multiply
    109,120.68x = 163,699.65 × 34,226.46
  4. Step 4: Simplify right side
    109,120.68x = 5,602,859,522.74
  5. Step 5: Solve for x
    x = 5,602,859,522.74/109,120.68
  6. Step 6: Final answer
    x = 51,345.53

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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.