Home / 192,699.20-289,050.73-86,088.42

Finding the Fourth Proportional to 192,699.20, 289,050.73 and 86,088.42

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Solution

The fourth proportional to 192,699.20, 289,050.73 and 86,088.42 is: 129,133.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,699.20 : 289,050.73 = 86,088.42 : x
  2. Step 2: Convert to fraction form
    192,699.20/289,050.73 = 86,088.42/x
  3. Step 3: Cross multiply
    192,699.20x = 289,050.73 × 86,088.42
  4. Step 4: Simplify right side
    192,699.20x = 24,883,920,430.33
  5. Step 5: Solve for x
    x = 24,883,920,430.33/192,699.20
  6. Step 6: Final answer
    x = 129,133.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.