Home / 144,903.16-199,954.87-81,232.30

Finding the Fourth Proportional to 144,903.16, 199,954.87 and 81,232.30

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Solution

The fourth proportional to 144,903.16, 199,954.87 and 81,232.30 is: 112,094.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,903.16 : 199,954.87 = 81,232.30 : x
  2. Step 2: Convert to fraction form
    144,903.16/199,954.87 = 81,232.30/x
  3. Step 3: Cross multiply
    144,903.16x = 199,954.87 × 81,232.30
  4. Step 4: Simplify right side
    144,903.16x = 16,242,793,986.30
  5. Step 5: Solve for x
    x = 16,242,793,986.30/144,903.16
  6. Step 6: Final answer
    x = 112,094.13

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1.5x scale

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.