Home / 144,512.16-216,685.08-55,690.80

Finding the Fourth Proportional to 144,512.16, 216,685.08 and 55,690.80

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Solution

The fourth proportional to 144,512.16, 216,685.08 and 55,690.80 is: 83,504.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,512.16 : 216,685.08 = 55,690.80 : x
  2. Step 2: Convert to fraction form
    144,512.16/216,685.08 = 55,690.80/x
  3. Step 3: Cross multiply
    144,512.16x = 216,685.08 × 55,690.80
  4. Step 4: Simplify right side
    144,512.16x = 12,067,365,453.26
  5. Step 5: Solve for x
    x = 12,067,365,453.26/144,512.16
  6. Step 6: Final answer
    x = 83,504.15

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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.