Home / 236,429.40-354,644.10-217,075.80

Finding the Fourth Proportional to 236,429.40, 354,644.10 and 217,075.80

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Solution

The fourth proportional to 236,429.40, 354,644.10 and 217,075.80 is: 325,613.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,429.40 : 354,644.10 = 217,075.80 : x
  2. Step 2: Convert to fraction form
    236,429.40/354,644.10 = 217,075.80/x
  3. Step 3: Cross multiply
    236,429.40x = 354,644.10 × 217,075.80
  4. Step 4: Simplify right side
    236,429.40x = 76,984,651,722.78
  5. Step 5: Solve for x
    x = 76,984,651,722.78/236,429.40
  6. Step 6: Final answer
    x = 325,613.70

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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.