Home / 131,642.33-197,483.96-42,875.17

Finding the Fourth Proportional to 131,642.33, 197,483.96 and 42,875.17

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Solution

The fourth proportional to 131,642.33, 197,483.96 and 42,875.17 is: 64,319.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,642.33 : 197,483.96 = 42,875.17 : x
  2. Step 2: Convert to fraction form
    131,642.33/197,483.96 = 42,875.17/x
  3. Step 3: Cross multiply
    131,642.33x = 197,483.96 × 42,875.17
  4. Step 4: Simplify right side
    131,642.33x = 8,467,157,970.75
  5. Step 5: Solve for x
    x = 8,467,157,970.75/131,642.33
  6. Step 6: Final answer
    x = 64,319.42

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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.