Home / 144,525.25-199,444.85-80,875.35

Finding the Fourth Proportional to 144,525.25, 199,444.85 and 80,875.35

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Solution

The fourth proportional to 144,525.25, 199,444.85 and 80,875.35 is: 111,607.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,525.25 : 199,444.85 = 80,875.35 : x
  2. Step 2: Convert to fraction form
    144,525.25/199,444.85 = 80,875.35/x
  3. Step 3: Cross multiply
    144,525.25x = 199,444.85 × 80,875.35
  4. Step 4: Simplify right side
    144,525.25x = 16,130,172,049.45
  5. Step 5: Solve for x
    x = 16,130,172,049.45/144,525.25
  6. Step 6: Final answer
    x = 111,607.99

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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.