Home / 144,635.40-217,093.04-69,808.22

Finding the Fourth Proportional to 144,635.40, 217,093.04 and 69,808.22

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Solution

The fourth proportional to 144,635.40, 217,093.04 and 69,808.22 is: 104,779.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,635.40 : 217,093.04 = 69,808.22 : x
  2. Step 2: Convert to fraction form
    144,635.40/217,093.04 = 69,808.22/x
  3. Step 3: Cross multiply
    144,635.40x = 217,093.04 × 69,808.22
  4. Step 4: Simplify right side
    144,635.40x = 15,154,877,262.28
  5. Step 5: Solve for x
    x = 15,154,877,262.28/144,635.40
  6. Step 6: Final answer
    x = 104,779.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.