Home / 187,994.80-259,343.40-112,528.72

Finding the Fourth Proportional to 187,994.80, 259,343.40 and 112,528.72

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Solution

The fourth proportional to 187,994.80, 259,343.40 and 112,528.72 is: 155,236.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,994.80 : 259,343.40 = 112,528.72 : x
  2. Step 2: Convert to fraction form
    187,994.80/259,343.40 = 112,528.72/x
  3. Step 3: Cross multiply
    187,994.80x = 259,343.40 × 112,528.72
  4. Step 4: Simplify right side
    187,994.80x = 29,183,580,842.45
  5. Step 5: Solve for x
    x = 29,183,580,842.45/187,994.80
  6. Step 6: Final answer
    x = 155,236.11

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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.