Home / 143,138.08-213,743.24-116,894.88

Finding the Fourth Proportional to 143,138.08, 213,743.24 and 116,894.88

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Solution

The fourth proportional to 143,138.08, 213,743.24 and 116,894.88 is: 174,555.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,138.08 : 213,743.24 = 116,894.88 : x
  2. Step 2: Convert to fraction form
    143,138.08/213,743.24 = 116,894.88/x
  3. Step 3: Cross multiply
    143,138.08x = 213,743.24 × 116,894.88
  4. Step 4: Simplify right side
    143,138.08x = 24,985,490,390.61
  5. Step 5: Solve for x
    x = 24,985,490,390.61/143,138.08
  6. Step 6: Final answer
    x = 174,555.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.