Home / 143,228.79-214,767.59-48,426.39

Finding the Fourth Proportional to 143,228.79, 214,767.59 and 48,426.39

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Solution

The fourth proportional to 143,228.79, 214,767.59 and 48,426.39 is: 72,614.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,228.79 : 214,767.59 = 48,426.39 : x
  2. Step 2: Convert to fraction form
    143,228.79/214,767.59 = 48,426.39/x
  3. Step 3: Cross multiply
    143,228.79x = 214,767.59 × 48,426.39
  4. Step 4: Simplify right side
    143,228.79x = 10,400,418,830.57
  5. Step 5: Solve for x
    x = 10,400,418,830.57/143,228.79
  6. Step 6: Final answer
    x = 72,614.02

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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.