Home / 127,612.08-191,457.36-65,326.32

Finding the Fourth Proportional to 127,612.08, 191,457.36 and 65,326.32

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Solution

The fourth proportional to 127,612.08, 191,457.36 and 65,326.32 is: 98,009.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,612.08 : 191,457.36 = 65,326.32 : x
  2. Step 2: Convert to fraction form
    127,612.08/191,457.36 = 65,326.32/x
  3. Step 3: Cross multiply
    127,612.08x = 191,457.36 × 65,326.32
  4. Step 4: Simplify right side
    127,612.08x = 12,507,204,765.72
  5. Step 5: Solve for x
    x = 12,507,204,765.72/127,612.08
  6. Step 6: Final answer
    x = 98,009.57

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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.