Home / 421,096.11-581,103.07-230,110.66

Finding the Fourth Proportional to 421,096.11, 581,103.07 and 230,110.66

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Solution

The fourth proportional to 421,096.11, 581,103.07 and 230,110.66 is: 317,547.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,096.11 : 581,103.07 = 230,110.66 : x
  2. Step 2: Convert to fraction form
    421,096.11/581,103.07 = 230,110.66/x
  3. Step 3: Cross multiply
    421,096.11x = 581,103.07 × 230,110.66
  4. Step 4: Simplify right side
    421,096.11x = 133,718,010,965.73
  5. Step 5: Solve for x
    x = 133,718,010,965.73/421,096.11
  6. Step 6: Final answer
    x = 317,547.49

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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.