Home / 289,033.28-433,688.16-102,132.80

Finding the Fourth Proportional to 289,033.28, 433,688.16 and 102,132.80

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Solution

The fourth proportional to 289,033.28, 433,688.16 and 102,132.80 is: 153,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,033.28 : 433,688.16 = 102,132.80 : x
  2. Step 2: Convert to fraction form
    289,033.28/433,688.16 = 102,132.80/x
  3. Step 3: Cross multiply
    289,033.28x = 433,688.16 × 102,132.80
  4. Step 4: Simplify right side
    289,033.28x = 44,293,786,107.65
  5. Step 5: Solve for x
    x = 44,293,786,107.65/289,033.28
  6. Step 6: Final answer
    x = 153,248.05

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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.