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Finding the Fourth Proportional to 182,816.40, 273,641.40 and 143,158.80

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Solution

The fourth proportional to 182,816.40, 273,641.40 and 143,158.80 is: 214,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,816.40 : 273,641.40 = 143,158.80 : x
  2. Step 2: Convert to fraction form
    182,816.40/273,641.40 = 143,158.80/x
  3. Step 3: Cross multiply
    182,816.40x = 273,641.40 × 143,158.80
  4. Step 4: Simplify right side
    182,816.40x = 39,174,174,454.32
  5. Step 5: Solve for x
    x = 39,174,174,454.32/182,816.40
  6. Step 6: Final answer
    x = 214,281.51

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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.