Home / 119,428.08-164,814.68-68,450.58

Finding the Fourth Proportional to 119,428.08, 164,814.68 and 68,450.58

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Solution

The fourth proportional to 119,428.08, 164,814.68 and 68,450.58 is: 94,464.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,428.08 : 164,814.68 = 68,450.58 : x
  2. Step 2: Convert to fraction form
    119,428.08/164,814.68 = 68,450.58/x
  3. Step 3: Cross multiply
    119,428.08x = 164,814.68 × 68,450.58
  4. Step 4: Simplify right side
    119,428.08x = 11,281,660,438.51
  5. Step 5: Solve for x
    x = 11,281,660,438.51/119,428.08
  6. Step 6: Final answer
    x = 94,464.05

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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.