Home / 145,690.48-201,052.38-82,048.60

Finding the Fourth Proportional to 145,690.48, 201,052.38 and 82,048.60

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Solution

The fourth proportional to 145,690.48, 201,052.38 and 82,048.60 is: 113,226.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    145,690.48 : 201,052.38 = 82,048.60 : x
  2. Step 2: Convert to fraction form
    145,690.48/201,052.38 = 82,048.60/x
  3. Step 3: Cross multiply
    145,690.48x = 201,052.38 × 82,048.60
  4. Step 4: Simplify right side
    145,690.48x = 16,496,066,305.67
  5. Step 5: Solve for x
    x = 16,496,066,305.67/145,690.48
  6. Step 6: Final answer
    x = 113,226.80

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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.