Home / 190,848.80-286,273.20-57,749.60

Finding the Fourth Proportional to 190,848.80, 286,273.20 and 57,749.60

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Solution

The fourth proportional to 190,848.80, 286,273.20 and 57,749.60 is: 86,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,848.80 : 286,273.20 = 57,749.60 : x
  2. Step 2: Convert to fraction form
    190,848.80/286,273.20 = 57,749.60/x
  3. Step 3: Cross multiply
    190,848.80x = 286,273.20 × 57,749.60
  4. Step 4: Simplify right side
    190,848.80x = 16,532,162,790.72
  5. Step 5: Solve for x
    x = 16,532,162,790.72/190,848.80
  6. Step 6: Final answer
    x = 86,624.40

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1.5x scale

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.