Home / 180,055.12-248,416.32-108,407.92

Finding the Fourth Proportional to 180,055.12, 248,416.32 and 108,407.92

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Solution

The fourth proportional to 180,055.12, 248,416.32 and 108,407.92 is: 149,566.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,055.12 : 248,416.32 = 108,407.92 : x
  2. Step 2: Convert to fraction form
    180,055.12/248,416.32 = 108,407.92/x
  3. Step 3: Cross multiply
    180,055.12x = 248,416.32 × 108,407.92
  4. Step 4: Simplify right side
    180,055.12x = 26,930,296,545.25
  5. Step 5: Solve for x
    x = 26,930,296,545.25/180,055.12
  6. Step 6: Final answer
    x = 149,566.96

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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.