Home / 144,133.63-198,889.23-83,692.45

Finding the Fourth Proportional to 144,133.63, 198,889.23 and 83,692.45

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Solution

The fourth proportional to 144,133.63, 198,889.23 and 83,692.45 is: 115,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,133.63 : 198,889.23 = 83,692.45 : x
  2. Step 2: Convert to fraction form
    144,133.63/198,889.23 = 83,692.45/x
  3. Step 3: Cross multiply
    144,133.63x = 198,889.23 × 83,692.45
  4. Step 4: Simplify right side
    144,133.63x = 16,645,526,937.31
  5. Step 5: Solve for x
    x = 16,645,526,937.31/144,133.63
  6. Step 6: Final answer
    x = 115,486.77

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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.