Home / 190,848.96-286,229.70-85,698

Finding the Fourth Proportional to 190,848.96, 286,229.70 and 85,698

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Solution

The fourth proportional to 190,848.96, 286,229.70 and 85,698 is: 128,527.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,848.96 : 286,229.70 = 85,698 : x
  2. Step 2: Convert to fraction form
    190,848.96/286,229.70 = 85,698/x
  3. Step 3: Cross multiply
    190,848.96x = 286,229.70 × 85,698
  4. Step 4: Simplify right side
    190,848.96x = 24,529,312,830.60
  5. Step 5: Solve for x
    x = 24,529,312,830.60/190,848.96
  6. Step 6: Final answer
    x = 128,527.36

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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.