Home / 357,498.03-493,227.24-202,428.13

Finding the Fourth Proportional to 357,498.03, 493,227.24 and 202,428.13

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Solution

The fourth proportional to 357,498.03, 493,227.24 and 202,428.13 is: 279,282.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,498.03 : 493,227.24 = 202,428.13 : x
  2. Step 2: Convert to fraction form
    357,498.03/493,227.24 = 202,428.13/x
  3. Step 3: Cross multiply
    357,498.03x = 493,227.24 × 202,428.13
  4. Step 4: Simplify right side
    357,498.03x = 99,843,066,625.19
  5. Step 5: Solve for x
    x = 99,843,066,625.19/357,498.03
  6. Step 6: Final answer
    x = 279,282.84

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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.