Home / 288,566.20-432,849.30-189,033.40

Finding the Fourth Proportional to 288,566.20, 432,849.30 and 189,033.40

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Solution

The fourth proportional to 288,566.20, 432,849.30 and 189,033.40 is: 283,550.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,566.20 : 432,849.30 = 189,033.40 : x
  2. Step 2: Convert to fraction form
    288,566.20/432,849.30 = 189,033.40/x
  3. Step 3: Cross multiply
    288,566.20x = 432,849.30 × 189,033.40
  4. Step 4: Simplify right side
    288,566.20x = 81,822,974,866.62
  5. Step 5: Solve for x
    x = 81,822,974,866.62/288,566.20
  6. Step 6: Final answer
    x = 283,550.10

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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.