Home / 185,037.40-277,386-66,679.80

Finding the Fourth Proportional to 185,037.40, 277,386 and 66,679.80

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Solution

The fourth proportional to 185,037.40, 277,386 and 66,679.80 is: 99,958.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,037.40 : 277,386 = 66,679.80 : x
  2. Step 2: Convert to fraction form
    185,037.40/277,386 = 66,679.80/x
  3. Step 3: Cross multiply
    185,037.40x = 277,386 × 66,679.80
  4. Step 4: Simplify right side
    185,037.40x = 18,496,043,002.80
  5. Step 5: Solve for x
    x = 18,496,043,002.80/185,037.40
  6. Step 6: Final answer
    x = 99,958.40

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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.