Home / 289,279.54-432,160.05-187,246.34

Finding the Fourth Proportional to 289,279.54, 432,160.05 and 187,246.34

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Solution

The fourth proportional to 289,279.54, 432,160.05 and 187,246.34 is: 279,730.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,279.54 : 432,160.05 = 187,246.34 : x
  2. Step 2: Convert to fraction form
    289,279.54/432,160.05 = 187,246.34/x
  3. Step 3: Cross multiply
    289,279.54x = 432,160.05 × 187,246.34
  4. Step 4: Simplify right side
    289,279.54x = 80,920,388,124.83
  5. Step 5: Solve for x
    x = 80,920,388,124.83/289,279.54
  6. Step 6: Final answer
    x = 279,730.77

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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.