Home / 127,856.66-190,275.36-123,599.44

Finding the Fourth Proportional to 127,856.66, 190,275.36 and 123,599.44

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Solution

The fourth proportional to 127,856.66, 190,275.36 and 123,599.44 is: 183,939.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,856.66 : 190,275.36 = 123,599.44 : x
  2. Step 2: Convert to fraction form
    127,856.66/190,275.36 = 123,599.44/x
  3. Step 3: Cross multiply
    127,856.66x = 190,275.36 × 123,599.44
  4. Step 4: Simplify right side
    127,856.66x = 23,517,927,341.09
  5. Step 5: Solve for x
    x = 23,517,927,341.09/127,856.66
  6. Step 6: Final answer
    x = 183,939.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.