Home / 358,360.07-494,536.74-197,215.11

Finding the Fourth Proportional to 358,360.07, 494,536.74 and 197,215.11

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Solution

The fourth proportional to 358,360.07, 494,536.74 and 197,215.11 is: 272,156.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,360.07 : 494,536.74 = 197,215.11 : x
  2. Step 2: Convert to fraction form
    358,360.07/494,536.74 = 197,215.11/x
  3. Step 3: Cross multiply
    358,360.07x = 494,536.74 × 197,215.11
  4. Step 4: Simplify right side
    358,360.07x = 97,530,117,947.92
  5. Step 5: Solve for x
    x = 97,530,117,947.92/358,360.07
  6. Step 6: Final answer
    x = 272,156.77

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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.