Home / 121,154.96-167,192.52-66,706.64

Finding the Fourth Proportional to 121,154.96, 167,192.52 and 66,706.64

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Solution

The fourth proportional to 121,154.96, 167,192.52 and 66,706.64 is: 92,054.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,154.96 : 167,192.52 = 66,706.64 : x
  2. Step 2: Convert to fraction form
    121,154.96/167,192.52 = 66,706.64/x
  3. Step 3: Cross multiply
    121,154.96x = 167,192.52 × 66,706.64
  4. Step 4: Simplify right side
    121,154.96x = 11,152,851,242.33
  5. Step 5: Solve for x
    x = 11,152,851,242.33/121,154.96
  6. Step 6: Final answer
    x = 92,054.43

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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.