Home / 170,895.74-256,395.51-121,072.23

Finding the Fourth Proportional to 170,895.74, 256,395.51 and 121,072.23

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Solution

The fourth proportional to 170,895.74, 256,395.51 and 121,072.23 is: 181,645.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,895.74 : 256,395.51 = 121,072.23 : x
  2. Step 2: Convert to fraction form
    170,895.74/256,395.51 = 121,072.23/x
  3. Step 3: Cross multiply
    170,895.74x = 256,395.51 × 121,072.23
  4. Step 4: Simplify right side
    170,895.74x = 31,042,376,157.69
  5. Step 5: Solve for x
    x = 31,042,376,157.69/170,895.74
  6. Step 6: Final answer
    x = 181,645.12

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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.