Home / 185,146.16-277,495.88-85,169.21

Finding the Fourth Proportional to 185,146.16, 277,495.88 and 85,169.21

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Solution

The fourth proportional to 185,146.16, 277,495.88 and 85,169.21 is: 127,651.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,146.16 : 277,495.88 = 85,169.21 : x
  2. Step 2: Convert to fraction form
    185,146.16/277,495.88 = 85,169.21/x
  3. Step 3: Cross multiply
    185,146.16x = 277,495.88 × 85,169.21
  4. Step 4: Simplify right side
    185,146.16x = 23,634,103,064.53
  5. Step 5: Solve for x
    x = 23,634,103,064.53/185,146.16
  6. Step 6: Final answer
    x = 127,651.06

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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.