Home / 131,207.34-196,761.60-42,437.01

Finding the Fourth Proportional to 131,207.34, 196,761.60 and 42,437.01

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Solution

The fourth proportional to 131,207.34, 196,761.60 and 42,437.01 is: 63,639.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,207.34 : 196,761.60 = 42,437.01 : x
  2. Step 2: Convert to fraction form
    131,207.34/196,761.60 = 42,437.01/x
  3. Step 3: Cross multiply
    131,207.34x = 196,761.60 × 42,437.01
  4. Step 4: Simplify right side
    131,207.34x = 8,349,973,774.63
  5. Step 5: Solve for x
    x = 8,349,973,774.63/131,207.34
  6. Step 6: Final answer
    x = 63,639.53

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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.