Home / 135,931.95-187,606.53-97,817.67

Finding the Fourth Proportional to 135,931.95, 187,606.53 and 97,817.67

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Solution

The fourth proportional to 135,931.95, 187,606.53 and 97,817.67 is: 135,003.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,931.95 : 187,606.53 = 97,817.67 : x
  2. Step 2: Convert to fraction form
    135,931.95/187,606.53 = 97,817.67/x
  3. Step 3: Cross multiply
    135,931.95x = 187,606.53 × 97,817.67
  4. Step 4: Simplify right side
    135,931.95x = 18,351,233,641.39
  5. Step 5: Solve for x
    x = 18,351,233,641.39/135,931.95
  6. Step 6: Final answer
    x = 135,003.09

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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.