Home / 371,770.13-513,045.89-202,004.25

Finding the Fourth Proportional to 371,770.13, 513,045.89 and 202,004.25

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Solution

The fourth proportional to 371,770.13, 513,045.89 and 202,004.25 is: 278,767.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,770.13 : 513,045.89 = 202,004.25 : x
  2. Step 2: Convert to fraction form
    371,770.13/513,045.89 = 202,004.25/x
  3. Step 3: Cross multiply
    371,770.13x = 513,045.89 × 202,004.25
  4. Step 4: Simplify right side
    371,770.13x = 103,637,449,215.01
  5. Step 5: Solve for x
    x = 103,637,449,215.01/371,770.13
  6. Step 6: Final answer
    x = 278,767.56

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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.