Home / 131,298.16-196,905.92-42,531.08

Finding the Fourth Proportional to 131,298.16, 196,905.92 and 42,531.08

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Solution

The fourth proportional to 131,298.16, 196,905.92 and 42,531.08 is: 63,783.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,298.16 : 196,905.92 = 42,531.08 : x
  2. Step 2: Convert to fraction form
    131,298.16/196,905.92 = 42,531.08/x
  3. Step 3: Cross multiply
    131,298.16x = 196,905.92 × 42,531.08
  4. Step 4: Simplify right side
    131,298.16x = 8,374,621,435.99
  5. Step 5: Solve for x
    x = 8,374,621,435.99/131,298.16
  6. Step 6: Final answer
    x = 63,783.24

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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.