Home / 192,698.20-289,047.30-99,386.20

Finding the Fourth Proportional to 192,698.20, 289,047.30 and 99,386.20

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Solution

The fourth proportional to 192,698.20, 289,047.30 and 99,386.20 is: 149,079.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,698.20 : 289,047.30 = 99,386.20 : x
  2. Step 2: Convert to fraction form
    192,698.20/289,047.30 = 99,386.20/x
  3. Step 3: Cross multiply
    192,698.20x = 289,047.30 × 99,386.20
  4. Step 4: Simplify right side
    192,698.20x = 28,727,312,767.26
  5. Step 5: Solve for x
    x = 28,727,312,767.26/192,698.20
  6. Step 6: Final answer
    x = 149,079.30

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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.