Home / 187,100.64-258,199.92-111,630.24

Finding the Fourth Proportional to 187,100.64, 258,199.92 and 111,630.24

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Solution

The fourth proportional to 187,100.64, 258,199.92 and 111,630.24 is: 154,050.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,100.64 : 258,199.92 = 111,630.24 : x
  2. Step 2: Convert to fraction form
    187,100.64/258,199.92 = 111,630.24/x
  3. Step 3: Cross multiply
    187,100.64x = 258,199.92 × 111,630.24
  4. Step 4: Simplify right side
    187,100.64x = 28,822,919,037.58
  5. Step 5: Solve for x
    x = 28,822,919,037.58/187,100.64
  6. Step 6: Final answer
    x = 154,050.35

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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.