Home / 165,861.09-228,884.81-101,308.14

Finding the Fourth Proportional to 165,861.09, 228,884.81 and 101,308.14

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Solution

The fourth proportional to 165,861.09, 228,884.81 and 101,308.14 is: 139,803.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,861.09 : 228,884.81 = 101,308.14 : x
  2. Step 2: Convert to fraction form
    165,861.09/228,884.81 = 101,308.14/x
  3. Step 3: Cross multiply
    165,861.09x = 228,884.81 × 101,308.14
  4. Step 4: Simplify right side
    165,861.09x = 23,187,893,868.81
  5. Step 5: Solve for x
    x = 23,187,893,868.81/165,861.09
  6. Step 6: Final answer
    x = 139,803.10

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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.