Home / 112,185.50-154,818.90-61,199.07

Finding the Fourth Proportional to 112,185.50, 154,818.90 and 61,199.07

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Solution

The fourth proportional to 112,185.50, 154,818.90 and 61,199.07 is: 84,456.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,185.50 : 154,818.90 = 61,199.07 : x
  2. Step 2: Convert to fraction form
    112,185.50/154,818.90 = 61,199.07/x
  3. Step 3: Cross multiply
    112,185.50x = 154,818.90 × 61,199.07
  4. Step 4: Simplify right side
    112,185.50x = 9,474,772,392.43
  5. Step 5: Solve for x
    x = 9,474,772,392.43/112,185.50
  6. Step 6: Final answer
    x = 84,456.30

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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.