Home / 280,849.37-421,186.57-93,817.13

Finding the Fourth Proportional to 280,849.37, 421,186.57 and 93,817.13

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Solution

The fourth proportional to 280,849.37, 421,186.57 and 93,817.13 is: 140,696.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    280,849.37 : 421,186.57 = 93,817.13 : x
  2. Step 2: Convert to fraction form
    280,849.37/421,186.57 = 93,817.13/x
  3. Step 3: Cross multiply
    280,849.37x = 421,186.57 × 93,817.13
  4. Step 4: Simplify right side
    280,849.37x = 39,514,512,851.47
  5. Step 5: Solve for x
    x = 39,514,512,851.47/280,849.37
  6. Step 6: Final answer
    x = 140,696.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.