Home / 134,745.10-202,117.65-105,001.90

Finding the Fourth Proportional to 134,745.10, 202,117.65 and 105,001.90

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Solution

The fourth proportional to 134,745.10, 202,117.65 and 105,001.90 is: 157,502.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,745.10 : 202,117.65 = 105,001.90 : x
  2. Step 2: Convert to fraction form
    134,745.10/202,117.65 = 105,001.90/x
  3. Step 3: Cross multiply
    134,745.10x = 202,117.65 × 105,001.90
  4. Step 4: Simplify right side
    134,745.10x = 21,222,737,273.54
  5. Step 5: Solve for x
    x = 21,222,737,273.54/134,745.10
  6. Step 6: Final answer
    x = 157,502.85

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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.