Home / 144,314.49-199,154.30-80,652.28

Finding the Fourth Proportional to 144,314.49, 199,154.30 and 80,652.28

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Solution

The fourth proportional to 144,314.49, 199,154.30 and 80,652.28 is: 111,300.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,314.49 : 199,154.30 = 80,652.28 : x
  2. Step 2: Convert to fraction form
    144,314.49/199,154.30 = 80,652.28/x
  3. Step 3: Cross multiply
    144,314.49x = 199,154.30 × 80,652.28
  4. Step 4: Simplify right side
    144,314.49x = 16,062,248,399.19
  5. Step 5: Solve for x
    x = 16,062,248,399.19/144,314.49
  6. Step 6: Final answer
    x = 111,300.32

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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.