Home / 180,125.64-248,433.48-115,601.04

Finding the Fourth Proportional to 180,125.64, 248,433.48 and 115,601.04

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Solution

The fourth proportional to 180,125.64, 248,433.48 and 115,601.04 is: 159,439.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,125.64 : 248,433.48 = 115,601.04 : x
  2. Step 2: Convert to fraction form
    180,125.64/248,433.48 = 115,601.04/x
  3. Step 3: Cross multiply
    180,125.64x = 248,433.48 × 115,601.04
  4. Step 4: Simplify right side
    180,125.64x = 28,719,168,658.82
  5. Step 5: Solve for x
    x = 28,719,168,658.82/180,125.64
  6. Step 6: Final answer
    x = 159,439.65

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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.