Home / 313,837.76-433,111.92-192,985.76

Finding the Fourth Proportional to 313,837.76, 433,111.92 and 192,985.76

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Solution

The fourth proportional to 313,837.76, 433,111.92 and 192,985.76 is: 266,330.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,837.76 : 433,111.92 = 192,985.76 : x
  2. Step 2: Convert to fraction form
    313,837.76/433,111.92 = 192,985.76/x
  3. Step 3: Cross multiply
    313,837.76x = 433,111.92 × 192,985.76
  4. Step 4: Simplify right side
    313,837.76x = 83,584,433,046.26
  5. Step 5: Solve for x
    x = 83,584,433,046.26/313,837.76
  6. Step 6: Final answer
    x = 266,330.07

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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.