Home / 97,343.25-134,211.98-81,233.78

Finding the Fourth Proportional to 97,343.25, 134,211.98 and 81,233.78

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Solution

The fourth proportional to 97,343.25, 134,211.98 and 81,233.78 is: 112,001.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,343.25 : 134,211.98 = 81,233.78 : x
  2. Step 2: Convert to fraction form
    97,343.25/134,211.98 = 81,233.78/x
  3. Step 3: Cross multiply
    97,343.25x = 134,211.98 × 81,233.78
  4. Step 4: Simplify right side
    97,343.25x = 10,902,545,379.46
  5. Step 5: Solve for x
    x = 10,902,545,379.46/97,343.25
  6. Step 6: Final answer
    x = 112,001.04

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1.5x scale

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.