Home / 131,542.07-197,315.54-42,795.23

Finding the Fourth Proportional to 131,542.07, 197,315.54 and 42,795.23

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Solution

The fourth proportional to 131,542.07, 197,315.54 and 42,795.23 is: 64,193.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,542.07 : 197,315.54 = 42,795.23 : x
  2. Step 2: Convert to fraction form
    131,542.07/197,315.54 = 42,795.23/x
  3. Step 3: Cross multiply
    131,542.07x = 197,315.54 × 42,795.23
  4. Step 4: Simplify right side
    131,542.07x = 8,444,163,702.90
  5. Step 5: Solve for x
    x = 8,444,163,702.90/131,542.07
  6. Step 6: Final answer
    x = 64,193.64

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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.