Home / 164,428.32-226,911.12-88,977.12

Finding the Fourth Proportional to 164,428.32, 226,911.12 and 88,977.12

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Solution

The fourth proportional to 164,428.32, 226,911.12 and 88,977.12 is: 122,788.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,428.32 : 226,911.12 = 88,977.12 : x
  2. Step 2: Convert to fraction form
    164,428.32/226,911.12 = 88,977.12/x
  3. Step 3: Cross multiply
    164,428.32x = 226,911.12 × 88,977.12
  4. Step 4: Simplify right side
    164,428.32x = 20,189,897,953.57
  5. Step 5: Solve for x
    x = 20,189,897,953.57/164,428.32
  6. Step 6: Final answer
    x = 122,788.45

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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.