Home / 170,179.92-234,920.89-121,153.14

Finding the Fourth Proportional to 170,179.92, 234,920.89 and 121,153.14

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Solution

The fourth proportional to 170,179.92, 234,920.89 and 121,153.14 is: 167,243.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,179.92 : 234,920.89 = 121,153.14 : x
  2. Step 2: Convert to fraction form
    170,179.92/234,920.89 = 121,153.14/x
  3. Step 3: Cross multiply
    170,179.92x = 234,920.89 × 121,153.14
  4. Step 4: Simplify right side
    170,179.92x = 28,461,403,475.09
  5. Step 5: Solve for x
    x = 28,461,403,475.09/170,179.92
  6. Step 6: Final answer
    x = 167,243.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.