Home / 121,661.32-167,653.38-93,013.33

Finding the Fourth Proportional to 121,661.32, 167,653.38 and 93,013.33

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Solution

The fourth proportional to 121,661.32, 167,653.38 and 93,013.33 is: 128,175.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,661.32 : 167,653.38 = 93,013.33 : x
  2. Step 2: Convert to fraction form
    121,661.32/167,653.38 = 93,013.33/x
  3. Step 3: Cross multiply
    121,661.32x = 167,653.38 × 93,013.33
  4. Step 4: Simplify right side
    121,661.32x = 15,593,999,159.56
  5. Step 5: Solve for x
    x = 15,593,999,159.56/121,661.32
  6. Step 6: Final answer
    x = 128,175.49

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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.