Home / 170,127.54-234,382.95-122,298.12

Finding the Fourth Proportional to 170,127.54, 234,382.95 and 122,298.12

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Solution

The fourth proportional to 170,127.54, 234,382.95 and 122,298.12 is: 168,488.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,127.54 : 234,382.95 = 122,298.12 : x
  2. Step 2: Convert to fraction form
    170,127.54/234,382.95 = 122,298.12/x
  3. Step 3: Cross multiply
    170,127.54x = 234,382.95 × 122,298.12
  4. Step 4: Simplify right side
    170,127.54x = 28,664,594,145.05
  5. Step 5: Solve for x
    x = 28,664,594,145.05/170,127.54
  6. Step 6: Final answer
    x = 168,488.85

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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.