Home / 131,475.40-197,213.10-36,705.40

Finding the Fourth Proportional to 131,475.40, 197,213.10 and 36,705.40

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Solution

The fourth proportional to 131,475.40, 197,213.10 and 36,705.40 is: 55,058.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,475.40 : 197,213.10 = 36,705.40 : x
  2. Step 2: Convert to fraction form
    131,475.40/197,213.10 = 36,705.40/x
  3. Step 3: Cross multiply
    131,475.40x = 197,213.10 × 36,705.40
  4. Step 4: Simplify right side
    131,475.40x = 7,238,785,720.74
  5. Step 5: Solve for x
    x = 7,238,785,720.74/131,475.40
  6. Step 6: Final answer
    x = 55,058.10

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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.