Home / 372,036.96-513,432-202,267.44

Finding the Fourth Proportional to 372,036.96, 513,432 and 202,267.44

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Solution

The fourth proportional to 372,036.96, 513,432 and 202,267.44 is: 279,140.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,036.96 : 513,432 = 202,267.44 : x
  2. Step 2: Convert to fraction form
    372,036.96/513,432 = 202,267.44/x
  3. Step 3: Cross multiply
    372,036.96x = 513,432 × 202,267.44
  4. Step 4: Simplify right side
    372,036.96x = 103,850,576,254.08
  5. Step 5: Solve for x
    x = 103,850,576,254.08/372,036.96
  6. Step 6: Final answer
    x = 279,140.48

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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.