Home / 103,096.85-142,277.15-98,372.93

Finding the Fourth Proportional to 103,096.85, 142,277.15 and 98,372.93

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Solution

The fourth proportional to 103,096.85, 142,277.15 and 98,372.93 is: 135,757.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,096.85 : 142,277.15 = 98,372.93 : x
  2. Step 2: Convert to fraction form
    103,096.85/142,277.15 = 98,372.93/x
  3. Step 3: Cross multiply
    103,096.85x = 142,277.15 × 98,372.93
  4. Step 4: Simplify right side
    103,096.85x = 13,996,220,117.55
  5. Step 5: Solve for x
    x = 13,996,220,117.55/103,096.85
  6. Step 6: Final answer
    x = 135,757.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.