Home / 169,863.12-234,460.08-136,107.18

Finding the Fourth Proportional to 169,863.12, 234,460.08 and 136,107.18

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Solution

The fourth proportional to 169,863.12, 234,460.08 and 136,107.18 is: 187,867.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,863.12 : 234,460.08 = 136,107.18 : x
  2. Step 2: Convert to fraction form
    169,863.12/234,460.08 = 136,107.18/x
  3. Step 3: Cross multiply
    169,863.12x = 234,460.08 × 136,107.18
  4. Step 4: Simplify right side
    169,863.12x = 31,911,700,311.37
  5. Step 5: Solve for x
    x = 31,911,700,311.37/169,863.12
  6. Step 6: Final answer
    x = 187,867.15

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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.