Home / 97,806.10-146,381.10-85,996.30

Finding the Fourth Proportional to 97,806.10, 146,381.10 and 85,996.30

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Solution

The fourth proportional to 97,806.10, 146,381.10 and 85,996.30 is: 128,706.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,806.10 : 146,381.10 = 85,996.30 : x
  2. Step 2: Convert to fraction form
    97,806.10/146,381.10 = 85,996.30/x
  3. Step 3: Cross multiply
    97,806.10x = 146,381.10 × 85,996.30
  4. Step 4: Simplify right side
    97,806.10x = 12,588,232,989.93
  5. Step 5: Solve for x
    x = 12,588,232,989.93/97,806.10
  6. Step 6: Final answer
    x = 128,706.01

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1.5x scale

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.