Home / 137,670.14-190,051.54-92,331.56

Finding the Fourth Proportional to 137,670.14, 190,051.54 and 92,331.56

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Solution

The fourth proportional to 137,670.14, 190,051.54 and 92,331.56 is: 127,462.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,670.14 : 190,051.54 = 92,331.56 : x
  2. Step 2: Convert to fraction form
    137,670.14/190,051.54 = 92,331.56/x
  3. Step 3: Cross multiply
    137,670.14x = 190,051.54 × 92,331.56
  4. Step 4: Simplify right side
    137,670.14x = 17,547,755,168.60
  5. Step 5: Solve for x
    x = 17,547,755,168.60/137,670.14
  6. Step 6: Final answer
    x = 127,462.32

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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.