Home / 120,007.98-165,631.23-69,736.14

Finding the Fourth Proportional to 120,007.98, 165,631.23 and 69,736.14

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Solution

The fourth proportional to 120,007.98, 165,631.23 and 69,736.14 is: 96,247.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,007.98 : 165,631.23 = 69,736.14 : x
  2. Step 2: Convert to fraction form
    120,007.98/165,631.23 = 69,736.14/x
  3. Step 3: Cross multiply
    120,007.98x = 165,631.23 × 69,736.14
  4. Step 4: Simplify right side
    120,007.98x = 11,550,482,643.65
  5. Step 5: Solve for x
    x = 11,550,482,643.65/120,007.98
  6. Step 6: Final answer
    x = 96,247.62

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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.