Home / 190,865.60-286,298.40-48,710.60

Finding the Fourth Proportional to 190,865.60, 286,298.40 and 48,710.60

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Solution

The fourth proportional to 190,865.60, 286,298.40 and 48,710.60 is: 73,065.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,865.60 : 286,298.40 = 48,710.60 : x
  2. Step 2: Convert to fraction form
    190,865.60/286,298.40 = 48,710.60/x
  3. Step 3: Cross multiply
    190,865.60x = 286,298.40 × 48,710.60
  4. Step 4: Simplify right side
    190,865.60x = 13,945,766,843.04
  5. Step 5: Solve for x
    x = 13,945,766,843.04/190,865.60
  6. Step 6: Final answer
    x = 73,065.90

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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.