Home / 143,317.10-214,980.51-38,136.17

Finding the Fourth Proportional to 143,317.10, 214,980.51 and 38,136.17

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Solution

The fourth proportional to 143,317.10, 214,980.51 and 38,136.17 is: 57,205.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,317.10 : 214,980.51 = 38,136.17 : x
  2. Step 2: Convert to fraction form
    143,317.10/214,980.51 = 38,136.17/x
  3. Step 3: Cross multiply
    143,317.10x = 214,980.51 × 38,136.17
  4. Step 4: Simplify right side
    143,317.10x = 8,198,533,956.51
  5. Step 5: Solve for x
    x = 8,198,533,956.51/143,317.10
  6. Step 6: Final answer
    x = 57,205.55

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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.