Home / 112,185.81-154,816.85-61,199.62

Finding the Fourth Proportional to 112,185.81, 154,816.85 and 61,199.62

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Solution

The fourth proportional to 112,185.81, 154,816.85 and 61,199.62 is: 84,455.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,185.81 : 154,816.85 = 61,199.62 : x
  2. Step 2: Convert to fraction form
    112,185.81/154,816.85 = 61,199.62/x
  3. Step 3: Cross multiply
    112,185.81x = 154,816.85 × 61,199.62
  4. Step 4: Simplify right side
    112,185.81x = 9,474,732,155.55
  5. Step 5: Solve for x
    x = 9,474,732,155.55/112,185.81
  6. Step 6: Final answer
    x = 84,455.71

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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.