Home / 289,280.04-432,160.80-187,246.84

Finding the Fourth Proportional to 289,280.04, 432,160.80 and 187,246.84

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Solution

The fourth proportional to 289,280.04, 432,160.80 and 187,246.84 is: 279,731.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,280.04 : 432,160.80 = 187,246.84 : x
  2. Step 2: Convert to fraction form
    289,280.04/432,160.80 = 187,246.84/x
  3. Step 3: Cross multiply
    289,280.04x = 432,160.80 × 187,246.84
  4. Step 4: Simplify right side
    289,280.04x = 80,920,744,171.87
  5. Step 5: Solve for x
    x = 80,920,744,171.87/289,280.04
  6. Step 6: Final answer
    x = 279,731.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.