Home / 290,008.20-434,429.10-195,529.80

Finding the Fourth Proportional to 290,008.20, 434,429.10 and 195,529.80

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Solution

The fourth proportional to 290,008.20, 434,429.10 and 195,529.80 is: 292,901.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    290,008.20 : 434,429.10 = 195,529.80 : x
  2. Step 2: Convert to fraction form
    290,008.20/434,429.10 = 195,529.80/x
  3. Step 3: Cross multiply
    290,008.20x = 434,429.10 × 195,529.80
  4. Step 4: Simplify right side
    290,008.20x = 84,943,835,037.18
  5. Step 5: Solve for x
    x = 84,943,835,037.18/290,008.20
  6. Step 6: Final answer
    x = 292,901.49

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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.