Home / 126,840.12-190,122.61-63,507.52

Finding the Fourth Proportional to 126,840.12, 190,122.61 and 63,507.52

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Solution

The fourth proportional to 126,840.12, 190,122.61 and 63,507.52 is: 95,192.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,840.12 : 190,122.61 = 63,507.52 : x
  2. Step 2: Convert to fraction form
    126,840.12/190,122.61 = 63,507.52/x
  3. Step 3: Cross multiply
    126,840.12x = 190,122.61 × 63,507.52
  4. Step 4: Simplify right side
    126,840.12x = 12,074,215,457.03
  5. Step 5: Solve for x
    x = 12,074,215,457.03/126,840.12
  6. Step 6: Final answer
    x = 95,192.40

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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.