Home / 170,178.92-234,919.51-121,152.14

Finding the Fourth Proportional to 170,178.92, 234,919.51 and 121,152.14

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Solution

The fourth proportional to 170,178.92, 234,919.51 and 121,152.14 is: 167,241.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,178.92 : 234,919.51 = 121,152.14 : x
  2. Step 2: Convert to fraction form
    170,178.92/234,919.51 = 121,152.14/x
  3. Step 3: Cross multiply
    170,178.92x = 234,919.51 × 121,152.14
  4. Step 4: Simplify right side
    170,178.92x = 28,460,999,886.77
  5. Step 5: Solve for x
    x = 28,460,999,886.77/170,178.92
  6. Step 6: Final answer
    x = 167,241.63

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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.