Home / 358,261.58-494,390.79-197,116.74

Finding the Fourth Proportional to 358,261.58, 494,390.79 and 197,116.74

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Solution

The fourth proportional to 358,261.58, 494,390.79 and 197,116.74 is: 272,015.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,261.58 : 494,390.79 = 197,116.74 : x
  2. Step 2: Convert to fraction form
    358,261.58/494,390.79 = 197,116.74/x
  3. Step 3: Cross multiply
    358,261.58x = 494,390.79 × 197,116.74
  4. Step 4: Simplify right side
    358,261.58x = 97,452,700,810.82
  5. Step 5: Solve for x
    x = 97,452,700,810.82/358,261.58
  6. Step 6: Final answer
    x = 272,015.49

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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.