Home / 137,656.05-190,032.21-92,317.56

Finding the Fourth Proportional to 137,656.05, 190,032.21 and 92,317.56

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Solution

The fourth proportional to 137,656.05, 190,032.21 and 92,317.56 is: 127,443.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,656.05 : 190,032.21 = 92,317.56 : x
  2. Step 2: Convert to fraction form
    137,656.05/190,032.21 = 92,317.56/x
  3. Step 3: Cross multiply
    137,656.05x = 190,032.21 × 92,317.56
  4. Step 4: Simplify right side
    137,656.05x = 17,543,309,948.61
  5. Step 5: Solve for x
    x = 17,543,309,948.61/137,656.05
  6. Step 6: Final answer
    x = 127,443.07

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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.