Home / 170,371.10-255,557.60-70,477.17

Finding the Fourth Proportional to 170,371.10, 255,557.60 and 70,477.17

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Solution

The fourth proportional to 170,371.10, 255,557.60 and 70,477.17 is: 105,716.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,371.10 : 255,557.60 = 70,477.17 : x
  2. Step 2: Convert to fraction form
    170,371.10/255,557.60 = 70,477.17/x
  3. Step 3: Cross multiply
    170,371.10x = 255,557.60 × 70,477.17
  4. Step 4: Simplify right side
    170,371.10x = 18,010,976,067.61
  5. Step 5: Solve for x
    x = 18,010,976,067.61/170,371.10
  6. Step 6: Final answer
    x = 105,716.15

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1.5x scale

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.