Home / 137,837.17-190,287.54-92,752.21

Finding the Fourth Proportional to 137,837.17, 190,287.54 and 92,752.21

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Solution

The fourth proportional to 137,837.17, 190,287.54 and 92,752.21 is: 128,046.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,837.17 : 190,287.54 = 92,752.21 : x
  2. Step 2: Convert to fraction form
    137,837.17/190,287.54 = 92,752.21/x
  3. Step 3: Cross multiply
    137,837.17x = 190,287.54 × 92,752.21
  4. Step 4: Simplify right side
    137,837.17x = 17,649,588,455.26
  5. Step 5: Solve for x
    x = 17,649,588,455.26/137,837.17
  6. Step 6: Final answer
    x = 128,046.66

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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.