Home / 167,587.60-231,272.38-91,106.84

Finding the Fourth Proportional to 167,587.60, 231,272.38 and 91,106.84

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Solution

The fourth proportional to 167,587.60, 231,272.38 and 91,106.84 is: 125,728.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,587.60 : 231,272.38 = 91,106.84 : x
  2. Step 2: Convert to fraction form
    167,587.60/231,272.38 = 91,106.84/x
  3. Step 3: Cross multiply
    167,587.60x = 231,272.38 × 91,106.84
  4. Step 4: Simplify right side
    167,587.60x = 21,070,495,721.08
  5. Step 5: Solve for x
    x = 21,070,495,721.08/167,587.60
  6. Step 6: Final answer
    x = 125,728.25

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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.