Home / 131,394.02-196,966.32-42,585.11

Finding the Fourth Proportional to 131,394.02, 196,966.32 and 42,585.11

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Solution

The fourth proportional to 131,394.02, 196,966.32 and 42,585.11 is: 63,837.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,394.02 : 196,966.32 = 42,585.11 : x
  2. Step 2: Convert to fraction form
    131,394.02/196,966.32 = 42,585.11/x
  3. Step 3: Cross multiply
    131,394.02x = 196,966.32 × 42,585.11
  4. Step 4: Simplify right side
    131,394.02x = 8,387,831,418.66
  5. Step 5: Solve for x
    x = 8,387,831,418.66/131,394.02
  6. Step 6: Final answer
    x = 63,837.24

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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.