Home / 190,909.10-286,363.65-110,864.90

Finding the Fourth Proportional to 190,909.10, 286,363.65 and 110,864.90

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Solution

The fourth proportional to 190,909.10, 286,363.65 and 110,864.90 is: 166,297.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,909.10 : 286,363.65 = 110,864.90 : x
  2. Step 2: Convert to fraction form
    190,909.10/286,363.65 = 110,864.90/x
  3. Step 3: Cross multiply
    190,909.10x = 286,363.65 × 110,864.90
  4. Step 4: Simplify right side
    190,909.10x = 31,747,677,420.89
  5. Step 5: Solve for x
    x = 31,747,677,420.89/190,909.10
  6. Step 6: Final answer
    x = 166,297.35

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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.