Home / 180,221.30-248,695.46-99,643.51

Finding the Fourth Proportional to 180,221.30, 248,695.46 and 99,643.51

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Solution

The fourth proportional to 180,221.30, 248,695.46 and 99,643.51 is: 137,502.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,221.30 : 248,695.46 = 99,643.51 : x
  2. Step 2: Convert to fraction form
    180,221.30/248,695.46 = 99,643.51/x
  3. Step 3: Cross multiply
    180,221.30x = 248,695.46 × 99,643.51
  4. Step 4: Simplify right side
    180,221.30x = 24,780,887,435.51
  5. Step 5: Solve for x
    x = 24,780,887,435.51/180,221.30
  6. Step 6: Final answer
    x = 137,502.54

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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.