Home / 159,350.42-219,428.99-155,814.16

Finding the Fourth Proportional to 159,350.42, 219,428.99 and 155,814.16

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Solution

The fourth proportional to 159,350.42, 219,428.99 and 155,814.16 is: 214,559.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,350.42 : 219,428.99 = 155,814.16 : x
  2. Step 2: Convert to fraction form
    159,350.42/219,428.99 = 155,814.16/x
  3. Step 3: Cross multiply
    159,350.42x = 219,428.99 × 155,814.16
  4. Step 4: Simplify right side
    159,350.42x = 34,190,143,756.50
  5. Step 5: Solve for x
    x = 34,190,143,756.50/159,350.42
  6. Step 6: Final answer
    x = 214,559.48

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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.