Home / 203,312.07-280,563.12-117,274.61

Finding the Fourth Proportional to 203,312.07, 280,563.12 and 117,274.61

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Solution

The fourth proportional to 203,312.07, 280,563.12 and 117,274.61 is: 161,834.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,312.07 : 280,563.12 = 117,274.61 : x
  2. Step 2: Convert to fraction form
    203,312.07/280,563.12 = 117,274.61/x
  3. Step 3: Cross multiply
    203,312.07x = 280,563.12 × 117,274.61
  4. Step 4: Simplify right side
    203,312.07x = 32,902,929,075.57
  5. Step 5: Solve for x
    x = 32,902,929,075.57/203,312.07
  6. Step 6: Final answer
    x = 161,834.61

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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.