Home / 127,441.08-190,899.12-74,723.44

Finding the Fourth Proportional to 127,441.08, 190,899.12 and 74,723.44

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Solution

The fourth proportional to 127,441.08, 190,899.12 and 74,723.44 is: 111,931.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,441.08 : 190,899.12 = 74,723.44 : x
  2. Step 2: Convert to fraction form
    127,441.08/190,899.12 = 74,723.44/x
  3. Step 3: Cross multiply
    127,441.08x = 190,899.12 × 74,723.44
  4. Step 4: Simplify right side
    127,441.08x = 14,264,638,939.37
  5. Step 5: Solve for x
    x = 14,264,638,939.37/127,441.08
  6. Step 6: Final answer
    x = 111,931.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.