Home / 191,787.12-264,669.75-106,895.07

Finding the Fourth Proportional to 191,787.12, 264,669.75 and 106,895.07

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Solution

The fourth proportional to 191,787.12, 264,669.75 and 106,895.07 is: 147,517.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,787.12 : 264,669.75 = 106,895.07 : x
  2. Step 2: Convert to fraction form
    191,787.12/264,669.75 = 106,895.07/x
  3. Step 3: Cross multiply
    191,787.12x = 264,669.75 × 106,895.07
  4. Step 4: Simplify right side
    191,787.12x = 28,291,891,453.13
  5. Step 5: Solve for x
    x = 28,291,891,453.13/191,787.12
  6. Step 6: Final answer
    x = 147,517.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.