Home / 191,931.73-287,801.00-111,996.88

Finding the Fourth Proportional to 191,931.73, 287,801.00 and 111,996.88

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Solution

The fourth proportional to 191,931.73, 287,801.00 and 111,996.88 is: 167,938.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,931.73 : 287,801.00 = 111,996.88 : x
  2. Step 2: Convert to fraction form
    191,931.73/287,801.00 = 111,996.88/x
  3. Step 3: Cross multiply
    191,931.73x = 287,801.00 × 111,996.88
  4. Step 4: Simplify right side
    191,931.73x = 32,232,813,201.38
  5. Step 5: Solve for x
    x = 32,232,813,201.38/191,931.73
  6. Step 6: Final answer
    x = 167,938.95

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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.