Home / 165,729.48-228,700.23-101,306.58

Finding the Fourth Proportional to 165,729.48, 228,700.23 and 101,306.58

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Solution

The fourth proportional to 165,729.48, 228,700.23 and 101,306.58 is: 139,799.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,729.48 : 228,700.23 = 101,306.58 : x
  2. Step 2: Convert to fraction form
    165,729.48/228,700.23 = 101,306.58/x
  3. Step 3: Cross multiply
    165,729.48x = 228,700.23 × 101,306.58
  4. Step 4: Simplify right side
    165,729.48x = 23,168,838,146.51
  5. Step 5: Solve for x
    x = 23,168,838,146.51/165,729.48
  6. Step 6: Final answer
    x = 139,799.14

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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.