Home / 125,936.40-188,904.28-47,056.80

Finding the Fourth Proportional to 125,936.40, 188,904.28 and 47,056.80

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Solution

The fourth proportional to 125,936.40, 188,904.28 and 47,056.80 is: 70,585.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,936.40 : 188,904.28 = 47,056.80 : x
  2. Step 2: Convert to fraction form
    125,936.40/188,904.28 = 47,056.80/x
  3. Step 3: Cross multiply
    125,936.40x = 188,904.28 × 47,056.80
  4. Step 4: Simplify right side
    125,936.40x = 8,889,230,923.10
  5. Step 5: Solve for x
    x = 8,889,230,923.10/125,936.40
  6. Step 6: Final answer
    x = 70,585.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.