Home / 259,624.29-358,281.70-143,337.86

Finding the Fourth Proportional to 259,624.29, 358,281.70 and 143,337.86

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Solution

The fourth proportional to 259,624.29, 358,281.70 and 143,337.86 is: 197,806.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,624.29 : 358,281.70 = 143,337.86 : x
  2. Step 2: Convert to fraction form
    259,624.29/358,281.70 = 143,337.86/x
  3. Step 3: Cross multiply
    259,624.29x = 358,281.70 × 143,337.86
  4. Step 4: Simplify right side
    259,624.29x = 51,355,331,348.97
  5. Step 5: Solve for x
    x = 51,355,331,348.97/259,624.29
  6. Step 6: Final answer
    x = 197,806.34

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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.