Home / 144,617.50-217,066.53-69,790.31

Finding the Fourth Proportional to 144,617.50, 217,066.53 and 69,790.31

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Solution

The fourth proportional to 144,617.50, 217,066.53 and 69,790.31 is: 104,753.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,617.50 : 217,066.53 = 69,790.31 : x
  2. Step 2: Convert to fraction form
    144,617.50/217,066.53 = 69,790.31/x
  3. Step 3: Cross multiply
    144,617.50x = 217,066.53 × 69,790.31
  4. Step 4: Simplify right side
    144,617.50x = 15,149,140,409.70
  5. Step 5: Solve for x
    x = 15,149,140,409.70/144,617.50
  6. Step 6: Final answer
    x = 104,753.16

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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.