Home / 372,615.12-514,193.40-202,849.38

Finding the Fourth Proportional to 372,615.12, 514,193.40 and 202,849.38

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Solution

The fourth proportional to 372,615.12, 514,193.40 and 202,849.38 is: 279,923.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,615.12 : 514,193.40 = 202,849.38 : x
  2. Step 2: Convert to fraction form
    372,615.12/514,193.40 = 202,849.38/x
  3. Step 3: Cross multiply
    372,615.12x = 514,193.40 × 202,849.38
  4. Step 4: Simplify right side
    372,615.12x = 104,303,812,390.09
  5. Step 5: Solve for x
    x = 104,303,812,390.09/372,615.12
  6. Step 6: Final answer
    x = 279,923.73

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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.