Home / 190,691.46-286,038.92-48,536.90

Finding the Fourth Proportional to 190,691.46, 286,038.92 and 48,536.90

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Solution

The fourth proportional to 190,691.46, 286,038.92 and 48,536.90 is: 72,805.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,691.46 : 286,038.92 = 48,536.90 : x
  2. Step 2: Convert to fraction form
    190,691.46/286,038.92 = 48,536.90/x
  3. Step 3: Cross multiply
    190,691.46x = 286,038.92 × 48,536.90
  4. Step 4: Simplify right side
    190,691.46x = 13,883,440,783.27
  5. Step 5: Solve for x
    x = 13,883,440,783.27/190,691.46
  6. Step 6: Final answer
    x = 72,805.78

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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.