Home / 372,840.14-514,519.44-203,074.40

Finding the Fourth Proportional to 372,840.14, 514,519.44 and 203,074.40

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Solution

The fourth proportional to 372,840.14, 514,519.44 and 203,074.40 is: 280,242.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,840.14 : 514,519.44 = 203,074.40 : x
  2. Step 2: Convert to fraction form
    372,840.14/514,519.44 = 203,074.40/x
  3. Step 3: Cross multiply
    372,840.14x = 514,519.44 × 203,074.40
  4. Step 4: Simplify right side
    372,840.14x = 104,485,726,566.34
  5. Step 5: Solve for x
    x = 104,485,726,566.34/372,840.14
  6. Step 6: Final answer
    x = 280,242.70

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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.