Home / 137,665.05-190,044.53-92,326.45

Finding the Fourth Proportional to 137,665.05, 190,044.53 and 92,326.45

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Solution

The fourth proportional to 137,665.05, 190,044.53 and 92,326.45 is: 127,455.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,665.05 : 190,044.53 = 92,326.45 : x
  2. Step 2: Convert to fraction form
    137,665.05/190,044.53 = 92,326.45/x
  3. Step 3: Cross multiply
    137,665.05x = 190,044.53 × 92,326.45
  4. Step 4: Simplify right side
    137,665.05x = 17,546,136,335.19
  5. Step 5: Solve for x
    x = 17,546,136,335.19/137,665.05
  6. Step 6: Final answer
    x = 127,455.27

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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.