Home / 97,153.68-134,123.40-74,496.36

Finding the Fourth Proportional to 97,153.68, 134,123.40 and 74,496.36

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Solution

The fourth proportional to 97,153.68, 134,123.40 and 74,496.36 is: 102,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,153.68 : 134,123.40 = 74,496.36 : x
  2. Step 2: Convert to fraction form
    97,153.68/134,123.40 = 74,496.36/x
  3. Step 3: Cross multiply
    97,153.68x = 134,123.40 × 74,496.36
  4. Step 4: Simplify right side
    97,153.68x = 9,991,705,090.82
  5. Step 5: Solve for x
    x = 9,991,705,090.82/97,153.68
  6. Step 6: Final answer
    x = 102,844.33

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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.